From 0620f00ea0cda2ff06fd401a78732a82f90d725a Mon Sep 17 00:00:00 2001
From: Kevin Day <thekevinday@gmail.com>
Date: Thu, 10 Jan 2019 22:35:44 -0600
Subject: [PATCH] Progress: continue development on database abstraction

---
 .../database_alter_foreign_data_wrapper.php        |  20 +-
 .../classes/database_alter_operator_class.php      |  23 +-
 .../classes/database_alter_operator_family.php     |  62 ++++-
 common/database/classes/database_alter_policy.php  |  66 ++++-
 .../classes/database_alter_publication.php         |  69 ++++-
 common/database/classes/database_alter_role.php    |  85 ++++++-
 common/database/classes/database_alter_rule.php    |  33 ++-
 common/database/classes/database_alter_schema.php  |  44 +++-
 .../database/classes/database_alter_sequence.php   | 184 ++++++++++++++
 common/database/classes/database_alter_server.php  | 115 +++++++++
 .../database/classes/database_alter_statistics.php | 104 ++++++++
 .../classes/database_alter_subscription.php        | 162 ++++++++++++
 common/database/classes/database_alter_system.php  |  74 ++++++
 common/database/classes/database_alter_table.php   |  10 +-
 .../database/classes/database_alter_tablespace.php |  10 +-
 .../database_alter_text_search_configuration.php   |  10 +-
 .../database_alter_text_search_dictionary.php      |  10 +-
 .../classes/database_alter_text_search_parser.php  |  10 +-
 .../database_alter_text_search_template.php        |  10 +-
 common/database/classes/database_alter_trigger.php |  10 +-
 common/database/classes/database_alter_type.php    |  10 +-
 common/database/classes/database_alter_user.php    |  10 +-
 .../classes/database_alter_user_mapping.php        |  10 +-
 common/database/classes/database_alter_view.php    |  10 +-
 common/database/classes/database_analyze.php       |  10 +-
 common/database/classes/database_begin.php         |  10 +-
 common/database/classes/database_checkpoint.php    |  10 +-
 common/database/classes/database_close.php         |  10 +-
 common/database/classes/database_cluster.php       |  10 +-
 common/database/classes/database_comment.php       |  10 +-
 common/database/classes/database_commit.php        |  10 +-
 .../database/classes/database_commit_prepared.php  |  10 +-
 common/database/classes/database_copy.php          |  10 +-
 .../classes/database_create_access_method.php      |  10 +-
 .../database/classes/database_create_aggregate.php |  10 +-
 common/database/classes/database_create_cast.php   |  10 +-
 .../database/classes/database_create_collation.php |  10 +-
 .../classes/database_create_conversion.php         |  10 +-
 .../database/classes/database_create_database.php  |  10 +-
 common/database/classes/database_create_domain.php |  10 +-
 .../classes/database_create_event_trigger.php      |  10 +-
 .../database/classes/database_create_extension.php |  10 +-
 .../database/classes/database_create_foreign.php   |  10 +-
 .../database_create_foreign_data_wrapper.php       |  10 +-
 .../database/classes/database_create_function.php  |  10 +-
 common/database/classes/database_create_group.php  |  10 +-
 common/database/classes/database_create_index.php  |  10 +-
 .../database/classes/database_create_language.php  |  10 +-
 .../classes/database_create_materialized_view.php  |  10 +-
 .../database/classes/database_create_operator.php  |  10 +-
 .../classes/database_create_operator_class.php     |  10 +-
 .../classes/database_create_operator_family.php    |  10 +-
 common/database/classes/database_create_policy.php |  10 +-
 .../classes/database_create_publication.php        |  10 +-
 common/database/classes/database_create_role.php   |  10 +-
 common/database/classes/database_create_rule.php   |  10 +-
 common/database/classes/database_create_schema.php |  10 +-
 .../database/classes/database_create_sequence.php  |  10 +-
 common/database/classes/database_create_server.php |  10 +-
 .../classes/database_create_statistics.php         |  10 +-
 .../classes/database_create_subscription.php       |  10 +-
 common/database/classes/database_create_table.php  |  10 +-
 .../database/classes/database_create_table_as.php  |  10 +-
 .../classes/database_create_tablespace.php         |  10 +-
 .../database_create_text_search_configuration.php  |  10 +-
 .../database_create_text_search_dictionary.php     |  10 +-
 .../classes/database_create_text_search_parser.php |  10 +-
 .../database_create_text_search_template.php       |  10 +-
 .../database/classes/database_create_transform.php |  10 +-
 common/database/classes/database_create_user.php   |  10 +-
 .../classes/database_create_user_mapping.php       |  10 +-
 common/database/classes/database_create_view.php   |  10 +-
 common/database/classes/database_deallocate.php    |  10 +-
 common/database/classes/database_declare.php       |  10 +-
 common/database/classes/database_delete.php        |  10 +-
 common/database/classes/database_discard.php       |  10 +-
 common/database/classes/database_do.php            |  10 +-
 .../classes/database_drop_access_method.php        |  10 +-
 .../database/classes/database_drop_aggregate.php   |  10 +-
 common/database/classes/database_drop_cast.php     |  10 +-
 .../database/classes/database_drop_collation.php   |  10 +-
 .../database/classes/database_drop_conversion.php  |  10 +-
 common/database/classes/database_drop_database.php |  10 +-
 common/database/classes/database_drop_domain.php   |  10 +-
 .../classes/database_drop_event_trigger.php        |  10 +-
 .../database/classes/database_drop_extension.php   |  10 +-
 .../classes/database_drop_foreign_data_wrapper.php |  10 +-
 .../classes/database_drop_foreign_table.php        |  10 +-
 common/database/classes/database_drop_function.php |  10 +-
 common/database/classes/database_drop_group.php    |  10 +-
 common/database/classes/database_drop_index.php    |  10 +-
 common/database/classes/database_drop_language.php |  10 +-
 .../classes/database_drop_materialized_view.php    |  10 +-
 common/database/classes/database_drop_operator.php |  10 +-
 .../classes/database_drop_operator_class.php       |  10 +-
 .../classes/database_drop_operator_family.php      |  10 +-
 common/database/classes/database_drop_owned.php    |  10 +-
 common/database/classes/database_drop_policy.php   |  10 +-
 .../database/classes/database_drop_publication.php |  10 +-
 common/database/classes/database_drop_role.php     |  10 +-
 common/database/classes/database_drop_rule.php     |  10 +-
 common/database/classes/database_drop_schema.php   |  10 +-
 common/database/classes/database_drop_sequence.php |  10 +-
 common/database/classes/database_drop_server.php   |  10 +-
 .../database/classes/database_drop_statistics.php  |  10 +-
 .../classes/database_drop_subscription.php         |  10 +-
 common/database/classes/database_drop_table.php    |  10 +-
 .../database/classes/database_drop_tablespace.php  |  10 +-
 .../database_drop_text_search_configuration.php    |  10 +-
 .../database_drop_text_search_dictionary.php       |  10 +-
 .../classes/database_drop_text_search_parser.php   |  10 +-
 .../classes/database_drop_text_search_template.php |  10 +-
 .../database/classes/database_drop_transform.php   |  10 +-
 common/database/classes/database_drop_trigger.php  |  10 +-
 common/database/classes/database_drop_type.php     |  10 +-
 common/database/classes/database_drop_user.php     |  10 +-
 .../classes/database_drop_user_mapping.php         |  10 +-
 common/database/classes/database_drop_view.php     |  10 +-
 common/database/classes/database_end.php           |  10 +-
 common/database/classes/database_execute.php       |  10 +-
 common/database/classes/database_explain.php       |  10 +-
 common/database/classes/database_fetch.php         |  10 +-
 common/database/classes/database_grant.php         |  10 +-
 .../classes/database_import_foreign_schema.php     |  10 +-
 common/database/classes/database_insert.php        |  10 +-
 common/database/classes/database_listen.php        |  10 +-
 common/database/classes/database_load.php          |  10 +-
 common/database/classes/database_lock.php          |  10 +-
 common/database/classes/database_move.php          |  10 +-
 common/database/classes/database_notify.php        |  10 +-
 common/database/classes/database_prepare.php       |  10 +-
 .../classes/database_prepare_transaction.php       |  10 +-
 .../database/classes/database_reassign_owned.php   |  10 +-
 .../classes/database_refresh_materialized.php      |  10 +-
 common/database/classes/database_reindex.php       |  10 +-
 .../classes/database_release_savepoint.php         |  10 +-
 common/database/classes/database_reset.php         |  10 +-
 common/database/classes/database_revoke.php        |  10 +-
 .../classes/database_rollback_prepared.php         |  10 +-
 .../classes/database_rollback_to_savepoint.php     |  10 +-
 common/database/classes/database_savepoint.php     |  10 +-
 .../database/classes/database_security_label.php   |  10 +-
 common/database/classes/database_select.php        |  10 +-
 common/database/classes/database_select_into.php   |  10 +-
 common/database/classes/database_set.php           |  10 +-
 .../database/classes/database_set_constraints.php  |  10 +-
 common/database/classes/database_set_role.php      |  10 +-
 .../classes/database_set_session_authorization.php |  10 +-
 .../database/classes/database_set_transaction.php  |  10 +-
 common/database/classes/database_show.php          |  10 +-
 .../classes/database_start_transaction.php         |  10 +-
 common/database/classes/database_string.php        |  50 +++-
 common/database/classes/database_truncate.php      |  10 +-
 common/database/classes/database_unlisten.php      |  10 +-
 common/database/classes/database_update.php        |  10 +-
 common/database/classes/database_vacuum.php        |  10 +-
 common/database/classes/database_values.php        |  10 +-
 .../enumerations/database_operator_family.php      |  17 ++
 .../enumerations/database_operator_for.php         |  17 ++
 .../enumerations/database_publication_option.php   |  16 ++
 .../database_publication_parameter.php             |  16 ++
 .../enumerations/database_publication_value.php    |  18 ++
 .../enumerations/database_refresh_option.php       |  16 ++
 common/database/enumerations/database_role.php     |   7 +-
 .../database/enumerations/database_role_option.php |  33 +++
 .../enumerations/database_storage_parameter.php    |   6 +-
 .../database_subscription_parameter.php            |  21 ++
 .../traits/database_add_operator_family.php        | 279 +++++++++++++++++++++
 common/database/traits/database_add_table.php      | 132 ++++++++++
 common/database/traits/database_add_user.php       |   2 +-
 common/database/traits/database_argument_type.php  |   2 +-
 common/database/traits/database_as_data_type.php   |  85 +++++++
 common/database/traits/database_cache.php          |  79 ++++++
 common/database/traits/database_cluster_on.php     |   8 +-
 common/database/traits/database_connection.php     |  85 +++++++
 common/database/traits/database_cycle.php          |  83 ++++++
 common/database/traits/database_disable.php        |  82 ++++++
 common/database/traits/database_drop_table.php     | 132 ++++++++++
 common/database/traits/database_enable.php         |  82 ++++++
 common/database/traits/database_in_database.php    |  85 +++++++
 common/database/traits/database_increment_by.php   |  78 ++++++
 common/database/traits/database_max_value.php      |  87 +++++++
 common/database/traits/database_min_value.php      |  87 +++++++
 common/database/traits/database_oid.php            |  76 +-----
 .../{database_using.php => database_on_table.php}  |  44 ++--
 common/database/traits/database_owned_by.php       |  15 +-
 .../traits/database_refresh_publication.php        |  79 ++++++
 .../traits/database_reset_storage_parameter.php    |  14 +-
 common/database/traits/database_restart_with.php   |  83 ++++++
 .../traits/database_role_specification.php         |  15 +-
 .../traits/database_set_publication_name.php       |  98 ++++++++
 .../traits/database_set_publication_parameter.php  | 148 +++++++++++
 common/database/traits/database_set_schema.php     |   4 +-
 .../traits/database_set_storage_parameter.php      |  40 +--
 common/database/traits/database_set_table.php      | 132 ++++++++++
 common/database/traits/database_start_with.php     |  78 ++++++
 .../database/traits/database_using_expression.php  |  80 ++++++
 .../traits/database_using_index_method.php         |  85 +++++++
 common/database/traits/database_version.php        |  85 +++++++
 .../traits/database_with_check_expression.php      |  80 ++++++
 .../traits/database_with_publication_option.php    | 135 ++++++++++
 .../traits/database_with_refresh_option.php        | 135 ++++++++++
 .../database/traits/database_with_role_option.php  | 209 +++++++++++++++
 .../traits/database_with_storage_parameter.php     | 152 +++++++++++
 204 files changed, 5373 insertions(+), 490 deletions(-)
 create mode 100644 common/database/classes/database_alter_sequence.php
 create mode 100644 common/database/classes/database_alter_server.php
 create mode 100644 common/database/classes/database_alter_statistics.php
 create mode 100644 common/database/classes/database_alter_subscription.php
 create mode 100644 common/database/classes/database_alter_system.php
 create mode 100644 common/database/enumerations/database_operator_family.php
 create mode 100644 common/database/enumerations/database_operator_for.php
 create mode 100644 common/database/enumerations/database_publication_option.php
 create mode 100644 common/database/enumerations/database_publication_parameter.php
 create mode 100644 common/database/enumerations/database_publication_value.php
 create mode 100644 common/database/enumerations/database_refresh_option.php
 create mode 100644 common/database/enumerations/database_role_option.php
 create mode 100644 common/database/enumerations/database_subscription_parameter.php
 create mode 100644 common/database/traits/database_add_operator_family.php
 create mode 100644 common/database/traits/database_add_table.php
 create mode 100644 common/database/traits/database_as_data_type.php
 create mode 100644 common/database/traits/database_cache.php
 create mode 100644 common/database/traits/database_connection.php
 create mode 100644 common/database/traits/database_cycle.php
 create mode 100644 common/database/traits/database_disable.php
 create mode 100644 common/database/traits/database_drop_table.php
 create mode 100644 common/database/traits/database_enable.php
 create mode 100644 common/database/traits/database_in_database.php
 create mode 100644 common/database/traits/database_increment_by.php
 create mode 100644 common/database/traits/database_max_value.php
 create mode 100644 common/database/traits/database_min_value.php
 rename common/database/traits/{database_using.php => database_on_table.php} (60%)
 create mode 100644 common/database/traits/database_refresh_publication.php
 create mode 100644 common/database/traits/database_restart_with.php
 create mode 100644 common/database/traits/database_set_publication_name.php
 create mode 100644 common/database/traits/database_set_publication_parameter.php
 create mode 100644 common/database/traits/database_set_table.php
 create mode 100644 common/database/traits/database_start_with.php
 create mode 100644 common/database/traits/database_using_expression.php
 create mode 100644 common/database/traits/database_using_index_method.php
 create mode 100644 common/database/traits/database_version.php
 create mode 100644 common/database/traits/database_with_check_expression.php
 create mode 100644 common/database/traits/database_with_publication_option.php
 create mode 100644 common/database/traits/database_with_refresh_option.php
 create mode 100644 common/database/traits/database_with_role_option.php
 create mode 100644 common/database/traits/database_with_storage_parameter.php

diff --git a/common/database/classes/database_alter_foreign_data_wrapper.php b/common/database/classes/database_alter_foreign_data_wrapper.php
index 58b7f0e..4a2c7ed 100644
--- a/common/database/classes/database_alter_foreign_data_wrapper.php
+++ b/common/database/classes/database_alter_foreign_data_wrapper.php
@@ -94,41 +94,41 @@ class c_database_alter_foreign_data_wrapper extends c_database_query {
       return new c_base_return_false();
     }
 
-    $action = NULL;
+    $value = NULL;
     if ($this->action === e_database_action::OWNER_TO) {
       if (isset($this->owner_to)) {
-        $action = $this->p_do_build_owner_to();
+        $value = $this->p_do_build_owner_to();
       }
       else {
-        unset($action);
+        unset($value);
         return new c_base_return_false();
       }
     }
     else if ($this->action === e_database_action::RENAME_TO) {
       if (isset($this->rename_to)) {
-        $action = $this->p_do_build_rename_to();
+        $value = $this->p_do_build_rename_to();
       }
       else {
-        unset($action);
+        unset($value);
         return new c_base_return_false();
       }
     }
     else {
       if (is_array($this->handler)) {
-        $action .= ' ' . $this->p_do_build_handler();
+        $value .= ' ' . $this->p_do_build_handler();
       }
 
       if (is_array($this->validator)) {
-        $action .= ' ' . $this->p_do_build_validator();
+        $value .= ' ' . $this->p_do_build_validator();
       }
 
-      $actions .= ' ' . $this->p_do_build_options();
+      $value .= ' ' . $this->p_do_build_options();
     }
 
     $this->value = static::p_QUERY_COMMAND;
     $this->value .= ' ' . $this->p_do_build_name();
-    $this->value .= ' ' . $action;
-    unset($action);
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_operator_class.php b/common/database/classes/database_alter_operator_class.php
index d3cd98a..b94a2df 100644
--- a/common/database/classes/database_alter_operator_class.php
+++ b/common/database/classes/database_alter_operator_class.php
@@ -12,8 +12,9 @@ require_once('common/database/classes/database_query.php');
 
 require_once('common/database/traits/database_name.php');
 require_once('common/database/traits/database_owner_to.php');
+require_once('common/database/traits/database_rename_to.php');
 require_once('common/database/traits/database_set_schema.php');
-require_once('common/database/traits/database_using.php');
+require_once('common/database/traits/database_using_index_method.php');
 
 
 /**
@@ -24,8 +25,9 @@ require_once('common/database/traits/database_using.php');
 class c_database_alter_operator_class extends c_database_query {
   use t_database_name;
   use t_database_owner_to;
+  use t_database_rename_to;
   use t_database_set_schema;
-  use t_database_using;
+  use t_database_using_index_method;
 
   protected const p_QUERY_COMMAND = 'alter operator class';
 
@@ -35,12 +37,24 @@ class c_database_alter_operator_class extends c_database_query {
    */
   public function __construct() {
     parent::__construct();
+
+    $this->name               = NULL;
+    $this->owner_to           = NULL;
+    $this->rename_to          = NULL;
+    $this->set_schema         = NULL;
+    $this->using_index_method = NULL;
   }
 
   /**
    * Class destructor.
    */
   public function __destruct() {
+    unset($this->name);
+    unset($this->owner_to);
+    unset($this->rename_to);
+    unset($this->set_schema);
+    unset($this->using_index_method);
+
     parent::__destruct();
   }
 
@@ -73,10 +87,13 @@ class c_database_alter_operator_class extends c_database_query {
       return new c_base_return_false();
     }
 
-    $value = $this->p_do_build_name() . ' ' . $this->p_do_build_using();
+    $value = $this->p_do_build_name() . ' ' . $this->p_do_build_using_index_method();
     if (isset($this->set_schema)) {
       $value .= ' ' . $this->p_do_build_set_schema();
     }
+    else if (isset($this->rename_to)) {
+      $value .= ' ' . $this->p_do_build_rename_to();
+    }
     else if (isset($this->owner_to)) {
       $value .= ' ' . $this->p_do_build_owner_to();
     }
diff --git a/common/database/classes/database_alter_operator_family.php b/common/database/classes/database_alter_operator_family.php
index 54885a7..34e965c 100644
--- a/common/database/classes/database_alter_operator_family.php
+++ b/common/database/classes/database_alter_operator_family.php
@@ -10,14 +10,28 @@ require_once('common/base/classes/base_return.php');
 
 require_once('common/database/classes/database_query.php');
 
+require_once('common/database/traits/database_add_operator_family.php');
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_owner_to.php');
+require_once('common/database/traits/database_rename_to.php');
+require_once('common/database/traits/database_set_schema.php');
+require_once('common/database/traits/database_using_index_method.php');
+
 
 /**
- * The class for building and returning a Postgresql ALTER COALATION query string.
+ * The class for building and returning a Postgresql ALTER OPERATOR FAMILY query string.
  *
- * @see: https://www.postgresql.org/docs/current/static/sql-alteraggregate.html
+ * @see: https://www.postgresql.org/docs/current/static/sql-alteroperatofamily.html
  */
-class c_database_alter_coalation extends c_database_query {
-  protected const p_QUERY_COMMAND = 'alter coalation';
+class c_database_alter_operator_family extends c_database_query {
+  use t_database_add_operator_family;
+  use t_database_name;
+  use t_database_owner_to;
+  use t_database_rename_to;
+  use t_database_set_schema;
+  use t_database_using_index_method;
+
+  protected const p_QUERY_COMMAND = 'alter operator family';
 
 
   /**
@@ -25,12 +39,26 @@ class c_database_alter_coalation extends c_database_query {
    */
   public function __construct() {
     parent::__construct();
+
+    $this->add_operator_family = NULL;
+    $this->name                = NULL;
+    $this->owner_to            = NULL;
+    $this->rename_to           = NULL;
+    $this->set_schema          = NULL;
+    $this->using_index_method  = NULL;
   }
 
   /**
    * Class destructor.
    */
   public function __destruct() {
+    unset($this->add_operator_family);
+    unset($this->name);
+    unset($this->owner_to);
+    unset($this->rename_to);
+    unset($this->set_schema);
+    unset($this->using_index_method);
+
     parent::__destruct();
   }
 
@@ -59,9 +87,31 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name) || !isset($this->using)) {
+      return new c_base_return_false();
+    }
+
+    $value = $this->p_do_build_name() . ' ' . $this->p_do_build_using_index_method();
+    if (isset($this->add_operator_family)) {
+      $value .= ' ' . $this->p_do_build_add_operator_family();
+    }
+    else if (isset($this->set_schema)) {
+      $value .= ' ' . $this->p_do_build_set_schema();
+    }
+    else if (isset($this->rename_to)) {
+      $value .= ' ' . $this->p_do_build_rename_to();
+    }
+    else if (isset($this->owner_to)) {
+      $value .= ' ' . $this->p_do_build_owner_to();
+    }
+    else {
+      unset($value);
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_policy.php b/common/database/classes/database_alter_policy.php
index 54885a7..4977ed5 100644
--- a/common/database/classes/database_alter_policy.php
+++ b/common/database/classes/database_alter_policy.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @file
- * Provides a class for specific Postgesql query: ALTER COALATION.
+ * Provides a class for specific Postgesql query: ALTER POLICY.
  */
 namespace n_koopa;
 
@@ -10,14 +10,28 @@ require_once('common/base/classes/base_return.php');
 
 require_once('common/database/classes/database_query.php');
 
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_on_table.php');
+require_once('common/database/traits/database_rename_to.php');
+require_once('common/database/traits/database_to_role.php');
+require_once('common/database/traits/database_using_expression.php');
+require_once('common/database/traits/database_with_check.php');
+
 
 /**
- * The class for building and returning a Postgresql ALTER COALATION query string.
+ * The class for building and returning a Postgresql ALTER POLICY query string.
  *
- * @see: https://www.postgresql.org/docs/current/static/sql-alteraggregate.html
+ * @see: https://www.postgresql.org/docs/current/static/sql-alterpolicy.html
  */
-class c_database_alter_coalation extends c_database_query {
-  protected const p_QUERY_COMMAND = 'alter coalation';
+class c_database_alter_policy extends c_database_query {
+  use t_database_name;
+  use t_database_on_table;
+  use t_database_rename_to;
+  use t_database_to_role;
+  use t_database_using_expression;
+  use t_database_with_check_expression;
+
+  protected const p_QUERY_COMMAND = 'alter policy';
 
 
   /**
@@ -25,12 +39,26 @@ class c_database_alter_coalation extends c_database_query {
    */
   public function __construct() {
     parent::__construct();
+
+    $this->name                  = NULL;
+    $this->on_table              = NULL;
+    $this->rename_to             = NULL;
+    $this->to_role               = NULL;
+    $this->using_expression      = NULL;
+    $this->with_check_expression = NULL;
   }
 
   /**
    * Class destructor.
    */
   public function __destruct() {
+    unset($this->name);
+    unset($this->on_table);
+    unset($this->rename_to);
+    unset($this->to_role);
+    unset($this->using_expression);
+    unset($this->with_check_expression);
+
     parent::__destruct();
   }
 
@@ -59,9 +87,33 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name) || !isset($this->on_table)) {
+      return new c_base_return_false();
+    }
+
+    $value = $this->p_do_build_name() . ' ' . $this->p_do_build_on_table();
+    if (isset($this->rename_to)) {
+      $value .= ' ' . $this->p_do_build_rename_to();
+    }
+    else if (isset($this->to_role)) {
+      $value .= ' ' . $this->p_do_build_to_role();
+
+      if (isset($this->using_expression)) {
+        $value .= ' ' . $this->p_do_build_using_expression();
+      }
+
+      if (isset($this->with_check_expression)) {
+        $value .= ' ' . $this->p_do_build_with_check_expression();
+      }
+    }
+    else {
+      unset($value);
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_publication.php b/common/database/classes/database_alter_publication.php
index 54885a7..8ae5ba9 100644
--- a/common/database/classes/database_alter_publication.php
+++ b/common/database/classes/database_alter_publication.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @file
- * Provides a class for specific Postgesql query: ALTER COALATION.
+ * Provides a class for specific Postgesql query: ALTER PUBLICATION.
  */
 namespace n_koopa;
 
@@ -10,14 +10,28 @@ require_once('common/base/classes/base_return.php');
 
 require_once('common/database/classes/database_query.php');
 
+require_once('common/database/traits/database_add_table.php');
+require_once('common/database/traits/database_drop_table.php');
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_owner_to.php');
+require_once('common/database/traits/database_rename_to.php');
+require_once('common/database/traits/database_set_table.php');
+
 
 /**
- * The class for building and returning a Postgresql ALTER COALATION query string.
+ * The class for building and returning a Postgresql ALTER PUBLICATION query string.
  *
- * @see: https://www.postgresql.org/docs/current/static/sql-alteraggregate.html
+ * @see: https://www.postgresql.org/docs/current/static/sql-alterpublication.html
  */
-class c_database_alter_coalation extends c_database_query {
-  protected const p_QUERY_COMMAND = 'alter coalation';
+class c_database_alter_publication extends c_database_query {
+  use t_database_add_table;
+  use t_database_drop_table;
+  use t_database_name;
+  use t_database_owner_to;
+  use t_database_rename_to;
+  use t_database_set_table;
+
+  protected const p_QUERY_COMMAND = 'alter publication';
 
 
   /**
@@ -25,12 +39,26 @@ class c_database_alter_coalation extends c_database_query {
    */
   public function __construct() {
     parent::__construct();
+
+    $this->add_table  = NULL;
+    $this->drop_table = NULL;
+    $this->name       = NULL;
+    $this->owner_to   = NULL;
+    $this->rename_to  = NULL;
+    $this->set_table  = NULL;
   }
 
   /**
    * Class destructor.
    */
   public function __destruct() {
+    unset($this->add_table);
+    unset($this->drop_table);
+    unset($this->name);
+    unset($this->owner_to);
+    unset($this->rename_to);
+    unset($this->set_table);
+
     parent::__destruct();
   }
 
@@ -59,9 +87,36 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
+
+    $value = $this->p_do_build_name();
+
+
+    if (isset($this->add_table)) {
+      $value .= ' ' . $this->p_do_build_add_table();
+    }
+    else if (isset($this->drop_table)) {
+      $value .= ' ' . $this->p_do_build_drop_table();
+    }
+    else if (isset($this->owner_to)) {
+      $value .= ' ' . $this->p_do_build_owner_to();
+    }
+    else if (isset($this->rename_to)) {
+      $value .= ' ' . $this->p_do_build_rename_to();
+    }
+    else if (isset($this->set_table)) {
+      $value .= ' ' . $this->p_do_build_set_table();
+    }
+    else {
+      unset($value);
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_role.php b/common/database/classes/database_alter_role.php
index 54885a7..2bdf923 100644
--- a/common/database/classes/database_alter_role.php
+++ b/common/database/classes/database_alter_role.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @file
- * Provides a class for specific Postgesql query: ALTER COALATION.
+ * Provides a class for specific Postgesql query: ALTER ROLE.
  */
 namespace n_koopa;
 
@@ -10,14 +10,30 @@ require_once('common/base/classes/base_return.php');
 
 require_once('common/database/classes/database_query.php');
 
+require_once('common/database/traits/database_in_database.php');
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_rename_to.php');
+require_once('common/database/traits/database_reset.php');
+require_once('common/database/traits/database_role_specification.php');
+require_once('common/database/traits/database_set.php');
+require_once('common/database/traits/database_with_role_option.php');
+
 
 /**
- * The class for building and returning a Postgresql ALTER COALATION query string.
+ * The class for building and returning a Postgresql ALTER ROLE query string.
  *
- * @see: https://www.postgresql.org/docs/current/static/sql-alteraggregate.html
+ * @see: https://www.postgresql.org/docs/current/static/sql-alterrole.html
  */
-class c_database_alter_coalation extends c_database_query {
-  protected const p_QUERY_COMMAND = 'alter coalation';
+class c_database_alter_role extends c_database_query {
+  use t_database_in_database;
+  use t_database_name;
+  use t_database_rename_to;
+  use t_database_reset;
+  use t_database_role_option;
+  use t_database_role_specification;
+  use t_database_set;
+
+  protected const p_QUERY_COMMAND = 'alter role';
 
 
   /**
@@ -25,12 +41,28 @@ class c_database_alter_coalation extends c_database_query {
    */
   public function __construct() {
     parent::__construct();
+
+    $this->in_database        = NULL;
+    $this->name               = NULL;
+    $this->rename             = NULL;
+    $this->reset              = NULL;
+    $this->role_specification = NULL;
+    $this->set                = NULL;
+    $this->with_role_option   = NULL;
   }
 
   /**
    * Class destructor.
    */
   public function __destruct() {
+    unset($this->in_database);
+    unset($this->name);
+    unset($this->rename);
+    unset($this->reset);
+    unset($this->role_specification);
+    unset($this->set);
+    unset($this->with_role_option);
+
     parent::__destruct();
   }
 
@@ -59,9 +91,48 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->role_specification) && is_null($this->name)) {
+      return new c_base_return_false();
+    }
+
+    if (isset($this->role_specification)) {
+      $value = $this->p_do_build_role_specification();
+
+      if (isset($this->with_role_option)) {
+        $value .= ' ' . $this->p_do_build_with_role_option();
+      }
+      else {
+        unset($value);
+        return new c_base_return_false();
+      }
+
+      if (isset($this->in_database)) {
+        $value .= ' ' . $this->p_do_build_in_database();
+      }
+
+      if (isset($this->set)) {
+        $value .= ' ' . $this->p_do_build_set();
+      }
+      else if (isset($this->reset)) {
+        $value .= ' ' . $this->p_do_build_reset();
+      }
+      else {
+        unset($value);
+        return new c_base_return_false();
+      }
+    }
+    else if (isset($this->rename_to)) {
+      $value = $this->p_do_build_name();
+      $value .= ' ' . $this->p_do_build_rename_to();
+    }
+    else {
+      unset($value);
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_rule.php b/common/database/classes/database_alter_rule.php
index 54885a7..be9d92b 100644
--- a/common/database/classes/database_alter_rule.php
+++ b/common/database/classes/database_alter_rule.php
@@ -10,14 +10,22 @@ require_once('common/base/classes/base_return.php');
 
 require_once('common/database/classes/database_query.php');
 
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_on_table.php');
+require_once('common/database/traits/database_rename_to.php');
+
 
 /**
- * The class for building and returning a Postgresql ALTER COALATION query string.
+ * The class for building and returning a Postgresql ALTER RULE query string.
  *
- * @see: https://www.postgresql.org/docs/current/static/sql-alteraggregate.html
+ * @see: https://www.postgresql.org/docs/current/static/sql-alterrule.html
  */
-class c_database_alter_coalation extends c_database_query {
-  protected const p_QUERY_COMMAND = 'alter coalation';
+class c_database_alter_rule extends c_database_query {
+  use t_database_name;
+  use t_database_on_table;
+  use t_database_rename_to;
+
+  protected const p_QUERY_COMMAND = 'alter rule';
 
 
   /**
@@ -25,12 +33,20 @@ class c_database_alter_coalation extends c_database_query {
    */
   public function __construct() {
     parent::__construct();
+
+    $this->name      = NULL;
+    $this->on_table  = NULL;
+    $this->rename_to = NULL;
   }
 
   /**
    * Class destructor.
    */
   public function __destruct() {
+    unset($this->name);
+    unset($this->on_table);
+    unset($this->rename_to);
+
     parent::__destruct();
   }
 
@@ -59,9 +75,14 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name) || is_null($this->on_table) || is_null($this->rename_to)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $this->p_do_build_name();
+    $this->value .= ' ' . $this->p_do_build_on_table();
+    $this->value .= ' ' . $this->p_do_build_rename_to();
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_schema.php b/common/database/classes/database_alter_schema.php
index 54885a7..12cd8f4 100644
--- a/common/database/classes/database_alter_schema.php
+++ b/common/database/classes/database_alter_schema.php
@@ -10,14 +10,22 @@ require_once('common/base/classes/base_return.php');
 
 require_once('common/database/classes/database_query.php');
 
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_owner_to.php');
+require_once('common/database/traits/database_rename_to.php');
+
 
 /**
- * The class for building and returning a Postgresql ALTER COALATION query string.
+ * The class for building and returning a Postgresql ALTER SCHEMA query string.
  *
- * @see: https://www.postgresql.org/docs/current/static/sql-alteraggregate.html
+ * @see: https://www.postgresql.org/docs/current/static/sql-alterschema.html
  */
-class c_database_alter_coalation extends c_database_query {
-  protected const p_QUERY_COMMAND = 'alter coalation';
+class c_database_alter_schema extends c_database_query {
+  use t_database_name;
+  use t_database_owner_to;
+  use t_database_rename_to;
+
+  protected const p_QUERY_COMMAND = 'alter schema';
 
 
   /**
@@ -25,12 +33,20 @@ class c_database_alter_coalation extends c_database_query {
    */
   public function __construct() {
     parent::__construct();
+
+    $this->name      = NULL;
+    $this->owner_to  = NULL;
+    $this->rename_to = NULL;
   }
 
   /**
    * Class destructor.
    */
   public function __destruct() {
+    unset($this->name);
+    unset($this->owner_to);
+    unset($this->rename_to);
+
     parent::__destruct();
   }
 
@@ -59,9 +75,25 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
+
+    $value = $this->p_do_build_name();
+    if (isset($this->owner_to)) {
+      $value .= ' ' . $this->p_do_build_owner_to();
+    }
+    else if (isset($this->rename_to)) {
+      $value .= ' ' . $this->p_do_build_rename_to();
+    }
+    else {
+      unset($value);
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_sequence.php b/common/database/classes/database_alter_sequence.php
new file mode 100644
index 0000000..d521828
--- /dev/null
+++ b/common/database/classes/database_alter_sequence.php
@@ -0,0 +1,184 @@
+<?php
+/**
+ * @file
+ * Provides a class for specific Postgesql query: ALTER COALATION.
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_query.php');
+
+require_once('common/database/traits/database_as_data_type.php');
+require_once('common/database/traits/database_cache.php');
+require_once('common/database/traits/database_cycle.php');
+require_once('common/database/traits/database_if_exists.php');
+require_once('common/database/traits/database_increment_by.php');
+require_once('common/database/traits/database_max_value.php');
+require_once('common/database/traits/database_min_value.php');
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_owned_by.php');
+require_once('common/database/traits/database_owner_to.php');
+require_once('common/database/traits/database_rename_to.php');
+require_once('common/database/traits/database_restart_with.php');
+require_once('common/database/traits/database_set_schema.php');
+require_once('common/database/traits/database_start_with.php');
+
+
+/**
+ * The class for building and returning a Postgresql ALTER SEQUENCE query string.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-altersequence.html
+ */
+class c_database_alter_sequence extends c_database_query {
+  use t_database_as_data_type;
+  use t_database_cache;
+  use t_database_cycle;
+  use t_database_if_exists;
+  use t_database_increment_by;
+  use t_database_max_value;
+  use t_database_min_value;
+  use t_database_name;
+  use t_database_owned_by;
+  use t_database_owner_to;
+  use t_database_rename_to;
+  use t_database_restart_with;
+  use t_database_set_schema;
+  use t_database_start_with;
+
+  protected const p_QUERY_COMMAND = 'alter sequence';
+
+
+  /**
+   * Class constructor.
+   */
+  public function __construct() {
+    parent::__construct();
+
+    $this->as_data_type = NULL;
+    $this->cache        = NULL;
+    $this->cycle        = NULL;
+    $this->if_exists    = NULL;
+    $this->increment_by = NULL;
+    $this->max_value    = NULL;
+    $this->min_value    = NULL;
+    $this->name         = NULL;
+    $this->owned_by     = NULL;
+    $this->owner_to     = NULL;
+    $this->rename_to    = NULL;
+    $this->restart_with = NULL;
+    $this->set_schema   = NULL;
+    $this->start_with   = NULL;
+  }
+
+  /**
+   * Class destructor.
+   */
+  public function __destruct() {
+    unset($this->as_data_type);
+    unset($this->cache);
+    unset($this->cycle);
+    unset($this->if_exists);
+    unset($this->increment_by);
+    unset($this->max_value);
+    unset($this->min_value);
+    unset($this->name);
+    unset($this->owned_by);
+    unset($this->owner_to);
+    unset($this->rename_to);
+    unset($this->restart_with);
+    unset($this->set_schema);
+    unset($this->start_with);
+
+    parent::__destruct();
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_new()
+   */
+  public static function s_new($value) {
+    return self::p_s_new($value, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_value()
+   */
+  public static function s_value($return) {
+    return self::p_s_value($return, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value_exact::p_s_value_exact()
+   */
+  public static function s_value_exact($return) {
+    return self::p_s_value_exact($return, __CLASS__, '');
+  }
+
+  /**
+   * Implements do_build().
+   */
+  public function do_build() {
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
+
+    $value = $this->p_do_build_name();
+    if (isset($this->if_exists)) {
+      $value = $this->p_do_build_if_exists() . ' ' . $value;
+    }
+
+    if (isset($this->owner_to)) {
+        $value .= ' ' . $this->p_do_build_owner_to();
+    }
+    else if (isset($this->rename_to)) {
+        $value .= ' ' . $this->p_do_build_rename_to();
+    }
+    else if (isset($this->set_schema)) {
+        $value .= ' ' . $this->p_do_build_set_schema();
+    }
+    else {
+      if (isset($this->as_data_type)) {
+        $value .= ' ' . $this->p_do_build_as_data_type();
+      }
+
+      if (isset($this->increment_by)) {
+        $value .= ' ' . $this->p_do_build_increment_by();
+      }
+
+      if (isset($this->min_value)) {
+        $value .= ' ' . $this->p_do_build_min_value();
+      }
+
+      if (isset($this->max_value)) {
+        $value .= ' ' . $this->p_do_build_max_value();
+      }
+
+      if (isset($this->start_with)) {
+        $value .= ' ' . $this->p_do_build_start_with();
+      }
+
+      if (isset($this->restart_with)) {
+        $value .= ' ' . $this->p_do_build_restart_with();
+      }
+
+      if (isset($this->cache)) {
+        $value .= ' ' . $this->p_do_build_cache();
+      }
+
+      if (isset($this->cycle)) {
+        $value .= ' ' . $this->p_do_build_cycle();
+      }
+
+      if (isset($this->owned_by)) {
+        $value .= ' ' . $this->p_do_build_owned_by();
+      }
+    }
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
+
+    return new c_base_return_true();
+  }
+}
diff --git a/common/database/classes/database_alter_server.php b/common/database/classes/database_alter_server.php
new file mode 100644
index 0000000..8a015cc
--- /dev/null
+++ b/common/database/classes/database_alter_server.php
@@ -0,0 +1,115 @@
+<?php
+/**
+ * @file
+ * Provides a class for specific Postgesql query: ALTER SERVER.
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_query.php');
+
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_options.php');
+require_once('common/database/traits/database_owner_to.php');
+require_once('common/database/traits/database_rename_to.php');
+require_once('common/database/traits/database_version.php');
+
+
+/**
+ * The class for building and returning a Postgresql ALTER SERVER query string.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-alterserver.html
+ */
+class c_database_alter_coalation extends c_database_query {
+  use t_database_name;
+  use t_database_options;
+  use t_database_owner_to;
+  use t_database_rename_to;
+  use t_database_version;
+
+  protected const p_QUERY_COMMAND = 'alter server';
+
+
+  /**
+   * Class constructor.
+   */
+  public function __construct() {
+    parent::__construct();
+
+    $this->name      = NULL;
+    $this->options   = NULL;
+    $this->owner_to  = NULL;
+    $this->rename_to = NULL;
+    $this->version   = NULL;
+  }
+
+  /**
+   * Class destructor.
+   */
+  public function __destruct() {
+    unset($this->name);
+    unset($this->options);
+    unset($this->owner_to);
+    unset($this->rename_to);
+    unset($this->version);
+
+    parent::__destruct();
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_new()
+   */
+  public static function s_new($value) {
+    return self::p_s_new($value, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_value()
+   */
+  public static function s_value($return) {
+    return self::p_s_value($return, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value_exact::p_s_value_exact()
+   */
+  public static function s_value_exact($return) {
+    return self::p_s_value_exact($return, __CLASS__, '');
+  }
+
+  /**
+   * Implements do_build().
+   */
+  public function do_build() {
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
+
+    $value = $this->p_do_build_name();
+
+    if (isset($this->options)) {
+      if (isset($this->version)) {
+        $value .= ' ' . $this->p_do_build_version();
+      }
+      $value .= ' ' . $this->p_do_build_options();
+    }
+    else if (isset($this->owner_to)) {
+      $value .= ' ' . $this->p_do_build_owner_to();
+    }
+    else if (isset($this->rename_to)) {
+      $value .= ' ' . $this->p_do_build_rename_to();
+    }
+    else {
+      unset($value);
+      return new c_base_return_false();
+    }
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
+
+    return new c_base_return_true();
+  }
+}
diff --git a/common/database/classes/database_alter_statistics.php b/common/database/classes/database_alter_statistics.php
new file mode 100644
index 0000000..66bf971
--- /dev/null
+++ b/common/database/classes/database_alter_statistics.php
@@ -0,0 +1,104 @@
+<?php
+/**
+ * @file
+ * Provides a class for specific Postgesql query: ALTER STATISTICS.
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_query.php');
+
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_rename_to.php');
+require_once('common/database/traits/database_set_schema.php');
+
+
+/**
+ * The class for building and returning a Postgresql ALTER STATISTICS query string.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-alterstatistics.html
+ */
+class c_database_alter_coalation extends c_database_query {
+  use t_database_name;
+  use t_database_rename_to;
+  use t_database_set_schema;
+
+  protected const p_QUERY_COMMAND = 'alter statistics';
+
+
+  /**
+   * Class constructor.
+   */
+  public function __construct() {
+    parent::__construct();
+
+    $this->name       = NULL;
+    $this->rename_to  = NULL;
+    $this->set_schema = NULL;
+  }
+
+  /**
+   * Class destructor.
+   */
+  public function __destruct() {
+    unset($this->name);
+    unset($this->rename_to);
+    unset($this->set_schema);
+
+    parent::__destruct();
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_new()
+   */
+  public static function s_new($value) {
+    return self::p_s_new($value, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_value()
+   */
+  public static function s_value($return) {
+    return self::p_s_value($return, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value_exact::p_s_value_exact()
+   */
+  public static function s_value_exact($return) {
+    return self::p_s_value_exact($return, __CLASS__, '');
+  }
+
+  /**
+   * Implements do_build().
+   */
+  public function do_build() {
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
+
+    $value = $this->p_do_build_name();
+
+    if (isset($this->owner_to)) {
+      $value .= ' ' . $this->p_do_build_owner_to();
+    }
+    else if (isset($this->rename_to)) {
+      $value .= ' ' . $this->p_do_build_rename_to();
+    }
+    else if (isset($this->set_schema)) {
+      $value .= ' ' . $this->p_do_build_set_schema();
+    }
+    else {
+      unset($value);
+      return new c_base_return_false();
+    }
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
+
+    return new c_base_return_true();
+  }
+}
diff --git a/common/database/classes/database_alter_subscription.php b/common/database/classes/database_alter_subscription.php
new file mode 100644
index 0000000..29bf56e
--- /dev/null
+++ b/common/database/classes/database_alter_subscription.php
@@ -0,0 +1,162 @@
+<?php
+/**
+ * @file
+ * Provides a class for specific Postgesql query: ALTER COALATION.
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_query.php');
+
+require_once('common/database/traits/database_connection.php');
+require_once('common/database/traits/database_disable.php');
+require_once('common/database/traits/database_enable.php');
+require_once('common/database/traits/database_name.php');
+require_once('common/database/traits/database_owner_to.php');
+require_once('common/database/traits/database_refresh_publication.php');
+require_once('common/database/traits/database_rename_to.php');
+require_once('common/database/traits/database_set.php');
+require_once('common/database/traits/database_set_publication_name.php');
+require_once('common/database/traits/database_set_schema.php');
+require_once('common/database/traits/database_with_publication_option.php');
+require_once('common/database/traits/database_with_refresh_option.php');
+
+
+/**
+ * The class for building and returning a Postgresql ALTER SUBSCRIPTION query string.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-altersubsciption.html
+ */
+class c_database_alter_subscription extends c_database_query {
+  use t_database_connection;
+  use t_database_disable;
+  use t_database_enable;
+  use t_database_name;
+  use t_database_owner_to;
+  use t_database_refresh_publication;
+  use t_database_rename_to;
+  use t_database_set;
+  use t_database_set_publication_name;
+  use t_database_set_schema;
+  use t_database_with_publication_option;
+  use t_database_with_refresh_option;
+
+  protected const p_QUERY_COMMAND = 'alter subsciption';
+
+
+  /**
+   * Class constructor.
+   */
+  public function __construct() {
+    parent::__construct();
+
+    $this->connection              = NULL;
+    $this->disable                 = NULL;
+    $this->enable                  = NULL;
+    $this->name                    = NULL;
+    $this->owner_to                = NULL;
+    $this->refresh_publication     = NULL;
+    $this->rename_to               = NULL;
+    $this->set                     = NULL;
+    $this->set_publication_name    = NULL;
+    $this->set_schema              = NULL;
+    $this->with_publication_option = NULL;
+    $this->with_refresh_option     = NULL;
+  }
+
+  /**
+   * Class destructor.
+   */
+  public function __destruct() {
+    unset($this->connection);
+    unset($this->disable);
+    unset($this->enable);
+    unset($this->name);
+    unset($this->owner_to);
+    unset($this->refresh_publication);
+    unset($this->rename_to);
+    unset($this->set);
+    unset($this->set_publication_name);
+    unset($this->set_schema);
+    unset($this->with_publication_option);
+    unset($this->with_refresh_option);
+
+    parent::__destruct();
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_new()
+   */
+  public static function s_new($value) {
+    return self::p_s_new($value, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_value()
+   */
+  public static function s_value($return) {
+    return self::p_s_value($return, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value_exact::p_s_value_exact()
+   */
+  public static function s_value_exact($return) {
+    return self::p_s_value_exact($return, __CLASS__, '');
+  }
+
+  /**
+   * Implements do_build().
+   */
+  public function do_build() {
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
+
+    $value = $this->p_do_build_name();
+    if (isset($this->connection)) {
+      $value .= ' ' . $this->p_do_build_connection();
+    }
+    else if (isset($this->set_publication_name)) {
+      $value .= ' ' . $this->p_do_build_set_publication_name();
+
+      if (isset($this->with_publication_option)) {
+        $value .= ' ' . $this->p_do_build_with_publication_option();
+      }
+    }
+    else if (isset($this->refresh_publication)) {
+      $value .= ' ' . $this->p_do_build_refresh_publication();
+
+      if (isset($this->with_refresh_option)) {
+        $value .= ' ' . $this->p_do_build_with_refresh_option();
+      }
+    }
+    else if (isset($this->enable)) {
+      $value .= ' ' . $this->p_do_build_enable();
+    }
+    else if (isset($this->disable)) {
+      $value .= ' ' . $this->p_do_build_disable();
+    }
+    else if (isset($this->set)) {
+      $value .= ' ' . $this->p_do_build_set();
+    }
+    else if (isset($this->owner_to)) {
+      $value .= ' ' . $this->p_do_build_owner_to();
+    }
+    else if (isset($this->rename_to)) {
+      $value .= ' ' . $this->p_do_build_rename_to();
+    }
+    else {
+      unset($value);
+      return new c_base_return_false();
+    }
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
+
+    return new c_base_return_true();
+  }
+}
diff --git a/common/database/classes/database_alter_system.php b/common/database/classes/database_alter_system.php
new file mode 100644
index 0000000..bf3857e
--- /dev/null
+++ b/common/database/classes/database_alter_system.php
@@ -0,0 +1,74 @@
+<?php
+/**
+ * @file
+ * Provides a class for specific Postgesql query: ALTER COALATION.
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_query.php');
+
+
+/**
+ * The class for building and returning a Postgresql ALTER COALATION query string.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-alteraggregate.html
+ */
+class c_database_alter_coalation extends c_database_query {
+  protected const p_QUERY_COMMAND = 'alter coalation';
+
+
+  /**
+   * Class constructor.
+   */
+  public function __construct() {
+    parent::__construct();
+  }
+
+  /**
+   * Class destructor.
+   */
+  public function __destruct() {
+    parent::__destruct();
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_new()
+   */
+  public static function s_new($value) {
+    return self::p_s_new($value, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value::p_s_value()
+   */
+  public static function s_value($return) {
+    return self::p_s_value($return, __CLASS__);
+  }
+
+  /**
+   * @see: t_base_return_value_exact::p_s_value_exact()
+   */
+  public static function s_value_exact($return) {
+    return self::p_s_value_exact($return, __CLASS__, '');
+  }
+
+  /**
+   * Implements do_build().
+   */
+  public function do_build() {
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
+
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
+
+    return new c_base_return_true();
+  }
+}
diff --git a/common/database/classes/database_alter_table.php b/common/database/classes/database_alter_table.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_table.php
+++ b/common/database/classes/database_alter_table.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_tablespace.php b/common/database/classes/database_alter_tablespace.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_tablespace.php
+++ b/common/database/classes/database_alter_tablespace.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_text_search_configuration.php b/common/database/classes/database_alter_text_search_configuration.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_text_search_configuration.php
+++ b/common/database/classes/database_alter_text_search_configuration.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_text_search_dictionary.php b/common/database/classes/database_alter_text_search_dictionary.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_text_search_dictionary.php
+++ b/common/database/classes/database_alter_text_search_dictionary.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_text_search_parser.php b/common/database/classes/database_alter_text_search_parser.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_text_search_parser.php
+++ b/common/database/classes/database_alter_text_search_parser.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_text_search_template.php b/common/database/classes/database_alter_text_search_template.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_text_search_template.php
+++ b/common/database/classes/database_alter_text_search_template.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_trigger.php b/common/database/classes/database_alter_trigger.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_trigger.php
+++ b/common/database/classes/database_alter_trigger.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_type.php b/common/database/classes/database_alter_type.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_type.php
+++ b/common/database/classes/database_alter_type.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_user.php b/common/database/classes/database_alter_user.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_user.php
+++ b/common/database/classes/database_alter_user.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_user_mapping.php b/common/database/classes/database_alter_user_mapping.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_user_mapping.php
+++ b/common/database/classes/database_alter_user_mapping.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_alter_view.php b/common/database/classes/database_alter_view.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_alter_view.php
+++ b/common/database/classes/database_alter_view.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_analyze.php b/common/database/classes/database_analyze.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_analyze.php
+++ b/common/database/classes/database_analyze.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_begin.php b/common/database/classes/database_begin.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_begin.php
+++ b/common/database/classes/database_begin.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_checkpoint.php b/common/database/classes/database_checkpoint.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_checkpoint.php
+++ b/common/database/classes/database_checkpoint.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_close.php b/common/database/classes/database_close.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_close.php
+++ b/common/database/classes/database_close.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_cluster.php b/common/database/classes/database_cluster.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_cluster.php
+++ b/common/database/classes/database_cluster.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_comment.php b/common/database/classes/database_comment.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_comment.php
+++ b/common/database/classes/database_comment.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_commit.php b/common/database/classes/database_commit.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_commit.php
+++ b/common/database/classes/database_commit.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_commit_prepared.php b/common/database/classes/database_commit_prepared.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_commit_prepared.php
+++ b/common/database/classes/database_commit_prepared.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_copy.php b/common/database/classes/database_copy.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_copy.php
+++ b/common/database/classes/database_copy.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_access_method.php b/common/database/classes/database_create_access_method.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_access_method.php
+++ b/common/database/classes/database_create_access_method.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_aggregate.php b/common/database/classes/database_create_aggregate.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_aggregate.php
+++ b/common/database/classes/database_create_aggregate.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_cast.php b/common/database/classes/database_create_cast.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_cast.php
+++ b/common/database/classes/database_create_cast.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_collation.php b/common/database/classes/database_create_collation.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_collation.php
+++ b/common/database/classes/database_create_collation.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_conversion.php b/common/database/classes/database_create_conversion.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_conversion.php
+++ b/common/database/classes/database_create_conversion.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_database.php b/common/database/classes/database_create_database.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_database.php
+++ b/common/database/classes/database_create_database.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_domain.php b/common/database/classes/database_create_domain.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_domain.php
+++ b/common/database/classes/database_create_domain.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_event_trigger.php b/common/database/classes/database_create_event_trigger.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_event_trigger.php
+++ b/common/database/classes/database_create_event_trigger.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_extension.php b/common/database/classes/database_create_extension.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_extension.php
+++ b/common/database/classes/database_create_extension.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_foreign.php b/common/database/classes/database_create_foreign.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_foreign.php
+++ b/common/database/classes/database_create_foreign.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_foreign_data_wrapper.php b/common/database/classes/database_create_foreign_data_wrapper.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_foreign_data_wrapper.php
+++ b/common/database/classes/database_create_foreign_data_wrapper.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_function.php b/common/database/classes/database_create_function.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_function.php
+++ b/common/database/classes/database_create_function.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_group.php b/common/database/classes/database_create_group.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_group.php
+++ b/common/database/classes/database_create_group.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_index.php b/common/database/classes/database_create_index.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_index.php
+++ b/common/database/classes/database_create_index.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_language.php b/common/database/classes/database_create_language.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_language.php
+++ b/common/database/classes/database_create_language.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_materialized_view.php b/common/database/classes/database_create_materialized_view.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_materialized_view.php
+++ b/common/database/classes/database_create_materialized_view.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_operator.php b/common/database/classes/database_create_operator.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_operator.php
+++ b/common/database/classes/database_create_operator.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_operator_class.php b/common/database/classes/database_create_operator_class.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_operator_class.php
+++ b/common/database/classes/database_create_operator_class.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_operator_family.php b/common/database/classes/database_create_operator_family.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_operator_family.php
+++ b/common/database/classes/database_create_operator_family.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_policy.php b/common/database/classes/database_create_policy.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_policy.php
+++ b/common/database/classes/database_create_policy.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_publication.php b/common/database/classes/database_create_publication.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_publication.php
+++ b/common/database/classes/database_create_publication.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_role.php b/common/database/classes/database_create_role.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_role.php
+++ b/common/database/classes/database_create_role.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_rule.php b/common/database/classes/database_create_rule.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_rule.php
+++ b/common/database/classes/database_create_rule.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_schema.php b/common/database/classes/database_create_schema.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_schema.php
+++ b/common/database/classes/database_create_schema.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_sequence.php b/common/database/classes/database_create_sequence.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_sequence.php
+++ b/common/database/classes/database_create_sequence.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_server.php b/common/database/classes/database_create_server.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_server.php
+++ b/common/database/classes/database_create_server.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_statistics.php b/common/database/classes/database_create_statistics.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_statistics.php
+++ b/common/database/classes/database_create_statistics.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_subscription.php b/common/database/classes/database_create_subscription.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_subscription.php
+++ b/common/database/classes/database_create_subscription.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_table.php b/common/database/classes/database_create_table.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_table.php
+++ b/common/database/classes/database_create_table.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_table_as.php b/common/database/classes/database_create_table_as.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_table_as.php
+++ b/common/database/classes/database_create_table_as.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_tablespace.php b/common/database/classes/database_create_tablespace.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_tablespace.php
+++ b/common/database/classes/database_create_tablespace.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_text_search_configuration.php b/common/database/classes/database_create_text_search_configuration.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_text_search_configuration.php
+++ b/common/database/classes/database_create_text_search_configuration.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_text_search_dictionary.php b/common/database/classes/database_create_text_search_dictionary.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_text_search_dictionary.php
+++ b/common/database/classes/database_create_text_search_dictionary.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_text_search_parser.php b/common/database/classes/database_create_text_search_parser.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_text_search_parser.php
+++ b/common/database/classes/database_create_text_search_parser.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_text_search_template.php b/common/database/classes/database_create_text_search_template.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_text_search_template.php
+++ b/common/database/classes/database_create_text_search_template.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_transform.php b/common/database/classes/database_create_transform.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_transform.php
+++ b/common/database/classes/database_create_transform.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_user.php b/common/database/classes/database_create_user.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_user.php
+++ b/common/database/classes/database_create_user.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_user_mapping.php b/common/database/classes/database_create_user_mapping.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_user_mapping.php
+++ b/common/database/classes/database_create_user_mapping.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_create_view.php b/common/database/classes/database_create_view.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_create_view.php
+++ b/common/database/classes/database_create_view.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_deallocate.php b/common/database/classes/database_deallocate.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_deallocate.php
+++ b/common/database/classes/database_deallocate.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_declare.php b/common/database/classes/database_declare.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_declare.php
+++ b/common/database/classes/database_declare.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_delete.php b/common/database/classes/database_delete.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_delete.php
+++ b/common/database/classes/database_delete.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_discard.php b/common/database/classes/database_discard.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_discard.php
+++ b/common/database/classes/database_discard.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_do.php b/common/database/classes/database_do.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_do.php
+++ b/common/database/classes/database_do.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_access_method.php b/common/database/classes/database_drop_access_method.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_access_method.php
+++ b/common/database/classes/database_drop_access_method.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_aggregate.php b/common/database/classes/database_drop_aggregate.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_aggregate.php
+++ b/common/database/classes/database_drop_aggregate.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_cast.php b/common/database/classes/database_drop_cast.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_cast.php
+++ b/common/database/classes/database_drop_cast.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_collation.php b/common/database/classes/database_drop_collation.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_collation.php
+++ b/common/database/classes/database_drop_collation.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_conversion.php b/common/database/classes/database_drop_conversion.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_conversion.php
+++ b/common/database/classes/database_drop_conversion.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_database.php b/common/database/classes/database_drop_database.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_database.php
+++ b/common/database/classes/database_drop_database.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_domain.php b/common/database/classes/database_drop_domain.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_domain.php
+++ b/common/database/classes/database_drop_domain.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_event_trigger.php b/common/database/classes/database_drop_event_trigger.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_event_trigger.php
+++ b/common/database/classes/database_drop_event_trigger.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_extension.php b/common/database/classes/database_drop_extension.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_extension.php
+++ b/common/database/classes/database_drop_extension.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_foreign_data_wrapper.php b/common/database/classes/database_drop_foreign_data_wrapper.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_foreign_data_wrapper.php
+++ b/common/database/classes/database_drop_foreign_data_wrapper.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_foreign_table.php b/common/database/classes/database_drop_foreign_table.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_foreign_table.php
+++ b/common/database/classes/database_drop_foreign_table.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_function.php b/common/database/classes/database_drop_function.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_function.php
+++ b/common/database/classes/database_drop_function.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_group.php b/common/database/classes/database_drop_group.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_group.php
+++ b/common/database/classes/database_drop_group.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_index.php b/common/database/classes/database_drop_index.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_index.php
+++ b/common/database/classes/database_drop_index.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_language.php b/common/database/classes/database_drop_language.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_language.php
+++ b/common/database/classes/database_drop_language.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_materialized_view.php b/common/database/classes/database_drop_materialized_view.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_materialized_view.php
+++ b/common/database/classes/database_drop_materialized_view.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_operator.php b/common/database/classes/database_drop_operator.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_operator.php
+++ b/common/database/classes/database_drop_operator.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_operator_class.php b/common/database/classes/database_drop_operator_class.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_operator_class.php
+++ b/common/database/classes/database_drop_operator_class.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_operator_family.php b/common/database/classes/database_drop_operator_family.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_operator_family.php
+++ b/common/database/classes/database_drop_operator_family.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_owned.php b/common/database/classes/database_drop_owned.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_owned.php
+++ b/common/database/classes/database_drop_owned.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_policy.php b/common/database/classes/database_drop_policy.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_policy.php
+++ b/common/database/classes/database_drop_policy.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_publication.php b/common/database/classes/database_drop_publication.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_publication.php
+++ b/common/database/classes/database_drop_publication.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_role.php b/common/database/classes/database_drop_role.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_role.php
+++ b/common/database/classes/database_drop_role.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_rule.php b/common/database/classes/database_drop_rule.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_rule.php
+++ b/common/database/classes/database_drop_rule.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_schema.php b/common/database/classes/database_drop_schema.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_schema.php
+++ b/common/database/classes/database_drop_schema.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_sequence.php b/common/database/classes/database_drop_sequence.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_sequence.php
+++ b/common/database/classes/database_drop_sequence.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_server.php b/common/database/classes/database_drop_server.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_server.php
+++ b/common/database/classes/database_drop_server.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_statistics.php b/common/database/classes/database_drop_statistics.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_statistics.php
+++ b/common/database/classes/database_drop_statistics.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_subscription.php b/common/database/classes/database_drop_subscription.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_subscription.php
+++ b/common/database/classes/database_drop_subscription.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_table.php b/common/database/classes/database_drop_table.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_table.php
+++ b/common/database/classes/database_drop_table.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_tablespace.php b/common/database/classes/database_drop_tablespace.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_tablespace.php
+++ b/common/database/classes/database_drop_tablespace.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_text_search_configuration.php b/common/database/classes/database_drop_text_search_configuration.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_text_search_configuration.php
+++ b/common/database/classes/database_drop_text_search_configuration.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_text_search_dictionary.php b/common/database/classes/database_drop_text_search_dictionary.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_text_search_dictionary.php
+++ b/common/database/classes/database_drop_text_search_dictionary.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_text_search_parser.php b/common/database/classes/database_drop_text_search_parser.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_text_search_parser.php
+++ b/common/database/classes/database_drop_text_search_parser.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_text_search_template.php b/common/database/classes/database_drop_text_search_template.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_text_search_template.php
+++ b/common/database/classes/database_drop_text_search_template.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_transform.php b/common/database/classes/database_drop_transform.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_transform.php
+++ b/common/database/classes/database_drop_transform.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_trigger.php b/common/database/classes/database_drop_trigger.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_trigger.php
+++ b/common/database/classes/database_drop_trigger.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_type.php b/common/database/classes/database_drop_type.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_type.php
+++ b/common/database/classes/database_drop_type.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_user.php b/common/database/classes/database_drop_user.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_user.php
+++ b/common/database/classes/database_drop_user.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_user_mapping.php b/common/database/classes/database_drop_user_mapping.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_user_mapping.php
+++ b/common/database/classes/database_drop_user_mapping.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_drop_view.php b/common/database/classes/database_drop_view.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_drop_view.php
+++ b/common/database/classes/database_drop_view.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_end.php b/common/database/classes/database_end.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_end.php
+++ b/common/database/classes/database_end.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_execute.php b/common/database/classes/database_execute.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_execute.php
+++ b/common/database/classes/database_execute.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_explain.php b/common/database/classes/database_explain.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_explain.php
+++ b/common/database/classes/database_explain.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_fetch.php b/common/database/classes/database_fetch.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_fetch.php
+++ b/common/database/classes/database_fetch.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_grant.php b/common/database/classes/database_grant.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_grant.php
+++ b/common/database/classes/database_grant.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_import_foreign_schema.php b/common/database/classes/database_import_foreign_schema.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_import_foreign_schema.php
+++ b/common/database/classes/database_import_foreign_schema.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_insert.php b/common/database/classes/database_insert.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_insert.php
+++ b/common/database/classes/database_insert.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_listen.php b/common/database/classes/database_listen.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_listen.php
+++ b/common/database/classes/database_listen.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_load.php b/common/database/classes/database_load.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_load.php
+++ b/common/database/classes/database_load.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_lock.php b/common/database/classes/database_lock.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_lock.php
+++ b/common/database/classes/database_lock.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_move.php b/common/database/classes/database_move.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_move.php
+++ b/common/database/classes/database_move.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_notify.php b/common/database/classes/database_notify.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_notify.php
+++ b/common/database/classes/database_notify.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_prepare.php b/common/database/classes/database_prepare.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_prepare.php
+++ b/common/database/classes/database_prepare.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_prepare_transaction.php b/common/database/classes/database_prepare_transaction.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_prepare_transaction.php
+++ b/common/database/classes/database_prepare_transaction.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_reassign_owned.php b/common/database/classes/database_reassign_owned.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_reassign_owned.php
+++ b/common/database/classes/database_reassign_owned.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_refresh_materialized.php b/common/database/classes/database_refresh_materialized.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_refresh_materialized.php
+++ b/common/database/classes/database_refresh_materialized.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_reindex.php b/common/database/classes/database_reindex.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_reindex.php
+++ b/common/database/classes/database_reindex.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_release_savepoint.php b/common/database/classes/database_release_savepoint.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_release_savepoint.php
+++ b/common/database/classes/database_release_savepoint.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_reset.php b/common/database/classes/database_reset.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_reset.php
+++ b/common/database/classes/database_reset.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_revoke.php b/common/database/classes/database_revoke.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_revoke.php
+++ b/common/database/classes/database_revoke.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_rollback_prepared.php b/common/database/classes/database_rollback_prepared.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_rollback_prepared.php
+++ b/common/database/classes/database_rollback_prepared.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_rollback_to_savepoint.php b/common/database/classes/database_rollback_to_savepoint.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_rollback_to_savepoint.php
+++ b/common/database/classes/database_rollback_to_savepoint.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_savepoint.php b/common/database/classes/database_savepoint.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_savepoint.php
+++ b/common/database/classes/database_savepoint.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_security_label.php b/common/database/classes/database_security_label.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_security_label.php
+++ b/common/database/classes/database_security_label.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_select.php b/common/database/classes/database_select.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_select.php
+++ b/common/database/classes/database_select.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_select_into.php b/common/database/classes/database_select_into.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_select_into.php
+++ b/common/database/classes/database_select_into.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_set.php b/common/database/classes/database_set.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_set.php
+++ b/common/database/classes/database_set.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_set_constraints.php b/common/database/classes/database_set_constraints.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_set_constraints.php
+++ b/common/database/classes/database_set_constraints.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_set_role.php b/common/database/classes/database_set_role.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_set_role.php
+++ b/common/database/classes/database_set_role.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_set_session_authorization.php b/common/database/classes/database_set_session_authorization.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_set_session_authorization.php
+++ b/common/database/classes/database_set_session_authorization.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_set_transaction.php b/common/database/classes/database_set_transaction.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_set_transaction.php
+++ b/common/database/classes/database_set_transaction.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_show.php b/common/database/classes/database_show.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_show.php
+++ b/common/database/classes/database_show.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_start_transaction.php b/common/database/classes/database_start_transaction.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_start_transaction.php
+++ b/common/database/classes/database_start_transaction.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_string.php b/common/database/classes/database_string.php
index 0d77039..373429d 100644
--- a/common/database/classes/database_string.php
+++ b/common/database/classes/database_string.php
@@ -13,6 +13,7 @@ namespace n_koopa;
 class c_database_string {
   public const ACCESS_METHOD                         = 'access method';
   public const ADD                                   = 'add';
+  public const ADD_TABLE                             = 'add table';
   public const AGGREGATE                             = 'aggregate';
   public const ALL                                   = 'all';
   public const ALLOW_CONNECTIONS                     = 'allow_connections';
@@ -32,26 +33,39 @@ class c_database_string {
   public const AUTOVACUUM_MULTIXACT_FREEZE_TABLE_AGE = 'autovacuum_multixact_freeze_table_age';
   public const AUTOVACUUM_SCALE_FACTOR               = 'autovacuum_scale_factor';
   public const AUTOVACUUM_VACUUM_THRESHOLD           = 'autovacuum_vacuum_threshold';
+  public const BYPASSRLS                             = 'bypassrls';
   public const BUFFERING                             = 'buffering';
+  public const CACHE                                 = 'cache';
   public const CALLED_ON_NULL_INPUT                  = 'called on null input';
   public const CASCADE                               = 'cascade';
   public const CAST                                  = 'cast';
   public const CLUSTER_ON                            = 'cluster on';
   public const COLLATION                             = 'collation';
   public const COLUMN                                = 'column';
+  public const CONNECT                               = 'connect';
+  public const CONNECTION                            = 'connection';
   public const CONNECTION_LIMIT                      = 'connection limit';
   public const CONVERSION                            = 'conversion';
+  public const COPY_DATA                             = 'copy_data';
   public const COST                                  = 'cost';
   public const CREATE                                = 'create';
+  public const CREATEDB                              = 'createdb';
+  public const CREATEROLE                            = 'createrole';
+  public const CREATE_SLOT                           = 'create_slot';
+  public const CYCLE                                 = 'cycle';
   public const DEFAULT                               = 'default';
   public const DELETE                                = 'delete';
   public const DEPENDS_ON_EXTENSION                  = 'depends on extension';
   public const DESCEND                               = 'desc';
+  public const DISABLE                               = 'disable';
   public const DISABLE_TRIGGER                       = 'disable trigger';
   public const DOMAIN                                = 'domain';
   public const DROP                                  = 'drop';
+  public const DROP_TABLE                            = 'drop table';
   public const DROP_CONSTRAINT                       = 'drop constraint';
   public const DROP_DEFAULT                          = 'drop default';
+  public const ENABLE                                = 'enable';
+  public const ENABLED                               = 'enabled';
   public const ENABLE_ALWAYS_TRIGGER                 = 'enable always trigger';
   public const ENABLE_REPLICA_TRIGGER                = 'enable replica trigger';
   public const ENABLE_TRIGGER                        = 'enable trigger';
@@ -60,12 +74,14 @@ class c_database_string {
   public const EXTENDED                              = 'extended';
   public const EXTERNAL                              = 'external';
   public const FALSE                                 = 'false';
-  public const FAST_UPDATE                           = 'fastupdate';
-  public const FILL_FACTOR                           = 'fillfactor';
+  public const FASTUPDATE                            = 'fastupdate';
+  public const FILLFACTOR                            = 'fillfactor';
   public const FOREIGN_DATA_WRAPPER                  = 'foreign data wrapper';
   public const FOREIGN_TABLE                         = 'foreign table';
   public const FOR                                   = 'for';
+  public const FOR_ORDER_BY                          = 'for order by';
   public const FOR_ROLE                              = 'for role';
+  public const FOR_SEARCH                            = 'for search';
   public const FROM_CURRENT                          = 'from current';
   public const FUNCTION                              = 'function';
   public const GRANT                                 = 'grant';
@@ -77,6 +93,7 @@ class c_database_string {
   public const IF_EXISTS                             = 'if exists';
   public const IMMUTABLE                             = 'immutable';
   public const IN                                    = 'in';
+  public const IN_DATABASE                           = 'in database';
   public const INOUT                                 = 'inout';
   public const IN_SCHEMA                             = 'in schema';
   public const INHERIT                               = 'inherit';
@@ -84,11 +101,22 @@ class c_database_string {
   public const IS_TEMPLATE                           = 'is_template';
   public const LANGUAGE                              = 'language';
   public const LEAKPROOF                             = 'leakproof';
+  public const LOGIN                                 = 'login';
   public const LOG_AUTOVACUUM_MIN_DURATION           = 'log_autovacuum_min_duration';
   public const MAIN                                  = 'main';
   public const MATERIALIZED_VIEW                     = 'materialized view';
+  public const MAXVALUE                              = 'maxvalue';
+  public const MINVALUE                              = 'minvalue';
   public const N_DISTINCT                            = 'n_distinct';
   public const N_DISTINCT_INHERITED                  = 'n_distinct_inherited';
+  public const NO                                    = 'no';
+  public const NOBYPASSRLS                           = 'nobypassrls';
+  public const NOCREATEDB                            = 'nocreatedb';
+  public const NOCREATEROLE                          = 'nocreaterole';
+  public const NOINHERIT                             = 'noinherit';
+  public const NOLOGIN                               = 'nologin';
+  public const NOREPLICATION                         = 'noreplication';
+  public const NOSUPERUSER                           = 'nosuperuser';
   public const NO_HANDLER                            = 'no handler';
   public const NO_INHERIT                            = 'no inherit';
   public const NO_VALIDATOR                          = 'no validator';
@@ -102,6 +130,7 @@ class c_database_string {
   public const ON_TABLES_TO                          = 'on tables to';
   public const ON_TYPES                              = 'on types';
   public const ONLY                                  = 'only';
+  public const OPERATOR                              = 'operator';
   public const OPERATOR_CLASS                        = 'operator class';
   public const OPERATOR_FAMILY                       = 'operator family';
   public const OPTIONS                               = 'options';
@@ -112,16 +141,24 @@ class c_database_string {
   public const PAGES_PER_RANGE                       = 'pages_per_range';
   public const PARALLEL                              = 'parallel';
   public const PARALLEL_WORKERS                      = 'parallel_workers';
+  public const PASSWORD                              = 'password';
+  public const PASSWORD_ENCRYPTED                    = 'encypted password';
   public const PLAIN                                 = 'plain';
   public const PROCEDURAL                            = 'procedural';
   public const PUBLIC                                = 'public';
+  public const PUBLISH                               = 'publish';
   public const REFERENCES                            = 'references';
+  public const REFRESH                               = 'refresh';
+  public const REFRESH_PUBLICATION                   = 'refresh publication';
   public const REFRESH_VERSION                       = 'refresh version';
   public const RENAME_TO                             = 'rename to';
   public const RENAME_COLUMN                         = 'rename column';
   public const RENAME_CONSTRAINT                     = 'rename constraint';
+  public const REPLICATION                           = 'replication';
   public const RESET                                 = 'reset';
   public const RESET_ALL                             = 'reset all';
+  public const RESET_PUBLICATION                     = 'reset publication';
+  public const RESTART_WITH                          = 'restart with';
   public const RESTRICT                              = 'restrict';
   public const RESTRICTED                            = 'restricted';
   public const RETURNS_NULL_ON_NULL_INPUT            = 'returns null on null input';
@@ -137,15 +174,21 @@ class c_database_string {
   public const SERVER                                = 'server';
   public const SET                                   = 'set';
   public const SET_DEFAULT                           = 'set default';
+  public const SET_PUBLICATION                       = 'set publication';
   public const SET_SCHEMA                            = 'set schema';
   public const SET_STATISTICS                        = 'set statistics';
   public const SET_STORAGE                           = 'set storage';
+  public const SET_TABLE                             = 'set table';
   public const SET_TABLESPACE                        = 'set tablespace';
   public const SET_WITH_OIDS                         = 'set with oids';
   public const SET_WITHOUT_CLUSTER                   = 'set without cluster';
   public const SET_WITHOUT_OIDS                      = 'set without oids';
+  public const SLOT_NAME                             = 'slot_name';
   public const STABLE                                = 'stable';
+  public const START_WITH                            = 'start with';
   public const STRICT                                = 'strict';
+  public const SUPERUSER                             = 'superuser';
+  public const SYNCHRONOUS_COMMIT                    = 'synchronous_commit';
   public const TABLE                                 = 'table';
   public const TEXT_SEARCH_CONFIGURATION             = 'text search configuration';
   public const TEXT_SEARCH_DICTIONARY                = 'text search dictionary';
@@ -167,9 +210,12 @@ class c_database_string {
   public const USING                                 = 'using';
   public const VALIDATOR                             = 'validator';
   public const VALIDATE_CONSTRAINT                   = 'validate constraint';
+  public const VALIDUNTIL                            = 'validuntil';
   public const VARIADIC                              = 'variadic';
+  public const VERSION                               = 'version';
   public const VOLATILE                              = 'volatile';
   public const VIEW                                  = 'view';
   public const WITH                                  = 'with';
+  public const WITH_CHECK                            = 'with check';
   public const WITH_GRANT_OPTION                     = 'with grant option';
 }
diff --git a/common/database/classes/database_truncate.php b/common/database/classes/database_truncate.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_truncate.php
+++ b/common/database/classes/database_truncate.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_unlisten.php b/common/database/classes/database_unlisten.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_unlisten.php
+++ b/common/database/classes/database_unlisten.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_update.php b/common/database/classes/database_update.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_update.php
+++ b/common/database/classes/database_update.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_vacuum.php b/common/database/classes/database_vacuum.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_vacuum.php
+++ b/common/database/classes/database_vacuum.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/classes/database_values.php b/common/database/classes/database_values.php
index 54885a7..bf3857e 100644
--- a/common/database/classes/database_values.php
+++ b/common/database/classes/database_values.php
@@ -59,9 +59,15 @@ class c_database_alter_coalation extends c_database_query {
    * Implements do_build().
    */
   public function do_build() {
-    $this->value = NULL;
+    if (is_null($this->name)) {
+      return new c_base_return_false();
+    }
 
-    // @todo
+    $value = $this->p_do_build_name();
+
+    $this->value = static::p_QUERY_COMMAND;
+    $this->value .= ' ' . $value;
+    unset($value);
 
     return new c_base_return_true();
   }
diff --git a/common/database/enumerations/database_operator_family.php b/common/database/enumerations/database_operator_family.php
new file mode 100644
index 0000000..1973411
--- /dev/null
+++ b/common/database/enumerations/database_operator_family.php
@@ -0,0 +1,17 @@
+<?php
+/**
+ * @file
+ * Provides enumeration classes for managing codes used for generating specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+/**
+ * Codes associated with operator family add/dop and related queries.
+ */
+class e_database_operator_family {
+  public const NONE     = 0;
+  public const FUNCTION = 1;
+  public const OPERATOR = 2;
+}
diff --git a/common/database/enumerations/database_operator_for.php b/common/database/enumerations/database_operator_for.php
new file mode 100644
index 0000000..992caab
--- /dev/null
+++ b/common/database/enumerations/database_operator_for.php
@@ -0,0 +1,17 @@
+<?php
+/**
+ * @file
+ * Provides enumeration classes for managing codes used for generating specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+/**
+ * Codes associated with operator add/drop for and related queries.
+ */
+class e_database_operator_for {
+  public const NONE         = 0;
+  public const FOR_ORDER_BY = 1;
+  public const FOR_SEARCH   = 2;
+}
diff --git a/common/database/enumerations/database_publication_option.php b/common/database/enumerations/database_publication_option.php
new file mode 100644
index 0000000..6190990
--- /dev/null
+++ b/common/database/enumerations/database_publication_option.php
@@ -0,0 +1,16 @@
+<?php
+/**
+ * @file
+ * Provides enumeration classes for managing codes used for generating specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+/**
+ * Codes associated with publication option and related queries.
+ */
+class e_database_publication_option {
+  public const NONE    = 0;
+  public const REFRESH = 1;
+}
diff --git a/common/database/enumerations/database_publication_parameter.php b/common/database/enumerations/database_publication_parameter.php
new file mode 100644
index 0000000..f3a6849
--- /dev/null
+++ b/common/database/enumerations/database_publication_parameter.php
@@ -0,0 +1,16 @@
+<?php
+/**
+ * @file
+ * Provides enumeration classes for managing codes used for generating specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+/**
+ * Codes associated with index publication parameter and related queries.
+ */
+class e_database_publication_parameter {
+  public const NONE    = 0;
+  public const PUBLISH = 1;
+}
diff --git a/common/database/enumerations/database_publication_value.php b/common/database/enumerations/database_publication_value.php
new file mode 100644
index 0000000..12802ec
--- /dev/null
+++ b/common/database/enumerations/database_publication_value.php
@@ -0,0 +1,18 @@
+<?php
+/**
+ * @file
+ * Provides enumeration classes for managing codes used for generating specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+/**
+ * Codes associated with index publication value and related queries.
+ */
+class e_database_publication_value {
+  public const NONE   = 0;
+  public const DELETE = 1;
+  public const INSERT = 2;
+  public const UPDATE = 3;
+}
diff --git a/common/database/enumerations/database_refresh_option.php b/common/database/enumerations/database_refresh_option.php
new file mode 100644
index 0000000..39a574c
--- /dev/null
+++ b/common/database/enumerations/database_refresh_option.php
@@ -0,0 +1,16 @@
+<?php
+/**
+ * @file
+ * Provides enumeration classes for managing codes used for generating specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+/**
+ * Codes associated with refresh option and related queries.
+ */
+class e_database_refresh_option {
+  public const NONE      = 0;
+  public const COPY_DATA = 1;
+}
diff --git a/common/database/enumerations/database_role.php b/common/database/enumerations/database_role.php
index 9081400..9014826 100644
--- a/common/database/enumerations/database_role.php
+++ b/common/database/enumerations/database_role.php
@@ -12,7 +12,8 @@ namespace n_koopa;
  */
 class e_database_role {
   public const NONE   = 0;
-  public const GROUP  = 1;
-  public const NAME   = 2;
-  public const PUBLIC = 3;
+  public const ALL    = 1;
+  public const GROUP  = 2;
+  public const NAME   = 3;
+  public const PUBLIC = 4;
 }
diff --git a/common/database/enumerations/database_role_option.php b/common/database/enumerations/database_role_option.php
new file mode 100644
index 0000000..219d068
--- /dev/null
+++ b/common/database/enumerations/database_role_option.php
@@ -0,0 +1,33 @@
+<?php
+/**
+ * @file
+ * Provides enumeration classes for managing codes used for generating specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+/**
+ * Codes associated with postgresql role option information.
+ */
+class e_database_role_option {
+  public const NONE               = 0;
+  public const BYPASSRLS          = 1;
+  public const CONNECTION_LIMIT   = 2;
+  public const CREATEDB           = 3;
+  public const CREATEROLE         = 4;
+  public const INHERIT            = 5;
+  public const LOGIN              = 6;
+  public const NOBYPASSRLS        = 7;
+  public const NOCREATEDB         = 8;
+  public const NOCREATEROLE       = 9;
+  public const NOINHERIT          = 10;
+  public const NOLOGIN            = 11;
+  public const NOREPLICATION      = 12;
+  public const NOSUPERUSER        = 13;
+  public const PASSWORD           = 14;
+  public const PASSWORD_ENCRYPTED = 15;
+  public const REPLICATION        = 16;
+  public const SUPERUSER          = 17;
+  public const VALIDUNTIL         = 18;
+}
diff --git a/common/database/enumerations/database_storage_parameter.php b/common/database/enumerations/database_storage_parameter.php
index 3ff59a9..0138590 100644
--- a/common/database/enumerations/database_storage_parameter.php
+++ b/common/database/enumerations/database_storage_parameter.php
@@ -8,7 +8,7 @@
 namespace n_koopa;
 
 /**
- * Codes associated with index storage_parameter and related queries.
+ * Codes associated with index storage parameter and related queries.
  */
 class e_database_storage_parameter {
   public const NONE                                  = 0;
@@ -26,8 +26,8 @@ class e_database_storage_parameter {
   public const AUTOVACUUM_SCALE_FACTOR               = 12;
   public const AUTOVACUUM_VACUUM_THRESHOLD           = 13;
   public const BUFFERING                             = 14;
-  public const FAST_UPDATE                           = 15;
-  public const FILL_FACTOR                           = 16;
+  public const FASTUPDATE                            = 15;
+  public const FILLFACTOR                            = 16;
   public const GIN_PENDING_LIST_LIMIT                = 17;
   public const LOG_AUTOVACUUM_MIN_DURATION           = 18;
   public const PAGES_PER_RANGE                       = 19;
diff --git a/common/database/enumerations/database_subscription_parameter.php b/common/database/enumerations/database_subscription_parameter.php
new file mode 100644
index 0000000..810b6cc
--- /dev/null
+++ b/common/database/enumerations/database_subscription_parameter.php
@@ -0,0 +1,21 @@
+<?php
+/**
+ * @file
+ * Provides enumeration classes for managing codes used for generating specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+/**
+ * Codes associated with subscription parameter and related queries.
+ */
+class e_database_subscription_parameter {
+  public const NONE               = 0;
+  public const CONNECT            = 1;
+  public const COPY_DATA          = 2;
+  public const CREATE_SLOT        = 3;
+  public const ENABLED            = 4;
+  public const SLOT_NAME          = 5;
+  public const SYNCHRONOUS_COMMIT = 6;
+}
diff --git a/common/database/traits/database_add_operator_family.php b/common/database/traits/database_add_operator_family.php
new file mode 100644
index 0000000..76fd2e5
--- /dev/null
+++ b/common/database/traits/database_add_operator_family.php
@@ -0,0 +1,279 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_string.php');
+
+require_once('common/database/enumerations/database_operator_family.php');
+require_once('common/database/enumerations/database_operator_for.php');
+
+/**
+ * Provide the sql ADD/DROP OPERATOR/FUNCTION functionality.
+ */
+trait t_database_add_operator_family {
+  protected $add_operator_family;
+
+  /**
+   * Set the add user or drop user.
+   *
+   * @param bool|null $add
+   *   Set to TRUE for ADD OPERATOR.
+   *   Set to FALSE for DROP OPERATOR.
+   *   Set to NULL to disable.
+   *   When NULL, this will remove all values.
+   * @param int|null $type
+   *   The operator type from e_database_operator_family.
+   *   This is required when $add is not NULL.
+   * @param int|null $strategy
+   *   (optional) The strategy number.
+   *   This is required when $add is not NULL.
+   * @param string|null $name
+   *   (optional) The operator name.
+   *   This is required when $add is TRUE.
+   * @param string|null $left_type
+   *   (optional) The (left) operator type.
+   *   This is required when $add is not NULL.
+   * @param string|null $ight_type
+   *   (optional) The (right) operator type.
+   *   This is required when $add is TRUE and $type is OPERATOR.
+   * @param int|null $for_type
+   *   (optional) The for type from e_database_operator_for.
+   *   This is required when $add is TRUE and $type is OPERATOR.
+   * @param string|null $sort_family_name
+   *   (optional) The sort family name.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with error bit set is returned on error.
+   */
+  public function set_add_operator_family($add, $type = NULL, $strategy = NULL, $name = NULL, $left_type = NULL, $right_type = NULL, $for_type = NULL, $sort_family_name = NULL) {
+    if (is_null($add)) {
+      $this->add_operator_family = NULL;
+      return new c_base_return_true();
+    }
+
+    if (!is_bool($add)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'add', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    switch ($type) {
+      case e_database_operator_family::OPERATOR:
+      case e_database_operator_family::FUNCTION:
+        break;
+
+      default:
+        $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'type', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+        return c_base_return_error::s_false($error);
+    }
+
+    if (!is_int($strategy)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'strategy', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!($add && is_string($name)) || !(!$add && is_null($name))) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if ($add && $type === e_database_operator_family::OPERATOR) {
+      switch ($for_type) {
+        case e_database_operator_for::FOR_ORDER_BY:
+        case e_database_operator_for::FOR_SEARCH:
+          break;
+
+        default:
+          $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'for_type', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+          return c_base_return_error::s_false($error);
+      }
+    }
+
+    if (!is_string($left_type)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'left_type', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_string($right_type) && !(!$add && $type === e_database_operator_family::OPERATOR && is_null($right_type))) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'right_type', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_null($sort_family_name) && !is_string($sort_family_name)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'sort_family_name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    $value = [
+      'type' => $type,
+      'strategy' => $strategy,
+      'name' => NULL,
+      'left_type' => NULL,
+      'right_type' => NULL,
+      'for_type' => NULL,
+      'sort_family_name' => NULL,
+    ];
+
+    if ($add) {
+      $placeholder = $this->add_placeholder($name);
+      if ($placeholder->has_error()) {
+        unset($value);
+        return c_base_return_error::s_false($placeholder->get_error());
+      }
+
+      $value['name'] = $placeholder;
+    }
+
+    $placeholder = $this->add_placeholder($left_type);
+    if ($placeholder->has_error()) {
+      unset($add_operator_family);
+      return c_base_return_error::s_false($placeholder->get_error());
+    }
+
+    $value['left_type'] = $placeholder;
+
+    if (is_string($right_type)) {
+      $placeholder = $this->add_placeholder($right_type);
+      if ($placeholder->has_error()) {
+        unset($add_operator_family);
+        return c_base_return_error::s_false($placeholder->get_error());
+      }
+
+      $value['right_type'] = $placeholder;
+    }
+
+    if ($add) {
+      $placeholder = $this->add_placeholder($for_type);
+      if ($placeholder->has_error()) {
+        unset($value);
+        return c_base_return_error::s_false($placeholder->get_error());
+      }
+
+      $value['for_type'] = $placeholder;
+
+      if (is_string($sort_family_name)) {
+        $placeholder = $this->add_placeholder($sort_family_name);
+        if ($placeholder->has_error()) {
+          unset($value);
+          return c_base_return_error::s_false($placeholder->get_error());
+        }
+
+        $value['sort_family_name'] = $placeholder;
+      }
+    }
+    unset($placeholder);
+
+    if (!is_array($this->add_operator_family)) {
+      $this->add_operator_family = [
+        'add' => TRUE,
+        'values' => [],
+      ];
+    }
+
+    $this->add_operator_family['add'] = $add;
+    $this->add_operator_family['values'][] = $value;
+    unset($value);
+
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the add/drop user settings.
+   *
+   * @param int|null $index
+   *   (optional) Get the argument type array at the specified index.
+   *   When NULL, all argument type are returned.
+   *
+   * @return c_base_return_array|c_base_return_null
+   *   An array representing the add/drop operator settings at the $index.
+   *   An array representing all add/drop operator settings when $index is NULL.
+   *   NULL is returned if not set (add/drop operator is not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_add_operator_family($index = NULL) {
+    if (is_null($this->add_operator_family)) {
+      return new c_base_return_null();
+    }
+
+    if (is_null($index)) {
+      return c_base_return_array::s_new($this->add_operator_family);
+    }
+    else if (isset($this->add_operator_family['values'][$index]) && is_array($this->add_operator_family['values'][$index])) {
+      return c_base_return_array::s_new($this->add_operator_family['values'][$index]);
+    }
+    else {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'argument_type', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_null($error);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'add_operator_family', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_add_operator_family() {
+    $value = NULL;
+
+    if ($this->add_operator_family['add']) {
+      $value = c_database_string::ADD;
+    }
+    else {
+      $value = c_database_string::DROP;
+    }
+
+    $values = [];
+    foreach ($this->add_operator_family['values'] as $add_operator_family) {
+      if ($add_operator_family['for_type'] === e_database_operator_family::FUNCTION) {
+        $value .= ' ' . c_database_string::FUNCTION;
+      }
+      else if ($add_operator_family['for_type'] === e_database_operator_family::OPERATOR) {
+        $value .= ' ' . c_database_string::OPERATOR;
+      }
+
+      $value .= ' ' . $add_operator_family['strategy'];
+
+      if ($add_operator_family['add']) {
+        $value .= ' ' . $add_operator_family['name'];
+      }
+
+      $value .= ' (' . $add_operator_family['left_type'];
+      if (is_string($add_operator_family['right_type'])) {
+        $value .= ' (' . $add_operator_family['right_type'];
+      }
+      $value .= ')';
+
+      if ($add_operator_family['add'] && $add_operator_family['type'] === e_database_operator_family::OPERATOR) {
+        if ($add_operator_family['for_type'] === e_database_operator_for::FOR_ORDER_BY) {
+          $value .= ' ' . c_database_string::FOR_ORDER_BY;
+          if (isset($add_operator_family['sort_family_name'])) {
+            $value .= ' ' . $add_operator_family['sort_family_name'];
+          }
+        }
+        else if ($add_operator_family['for_type'] === e_database_operator_for::FOR_SEARCH) {
+          $value .= ' ' . c_database_string::FOR_SEARCH;
+        }
+      }
+
+      $values[] = $add_operator_family;
+    }
+    unset($add_operator_family);
+
+    return $value . implode(', ', $values);
+  }
+}
diff --git a/common/database/traits/database_add_table.php b/common/database/traits/database_add_table.php
new file mode 100644
index 0000000..58fcd34
--- /dev/null
+++ b/common/database/traits/database_add_table.php
@@ -0,0 +1,132 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_string.php');
+
+/**
+ * Provide the sql ADD TABLE functionality.
+ */
+trait t_database_add_table {
+  protected $add_table;
+
+  /**
+   * Set the ADD TABLE settings.
+   *
+   * @param string|null $name
+   *   The table name.
+   *   Set to NULL to disable.
+   * @param bool|null $only
+   *   (optional) whether or not to specify ONLY.
+   * @param bool|null $descendents
+   *   (optional) whether or not to specify a wildcard after the table name.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_add_table($name, $only = NULL, $descendents = NULL) {
+    if (is_null($name)) {
+      $this->add_table = NULL;
+      return new c_base_return_true();
+    }
+
+    if (!is_string($name)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_null($only) && !is_bool($only)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'only', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_null($descendents) && !is_bool($descendents)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'descendents', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    $placeholder = $this->add_placeholder($name);
+    if ($placeholder->has_error()) {
+      return c_base_return_error::s_false($placeholder->get_error());
+    }
+
+    if (!is_array($this->add_table)) {
+      $this->add_table = [
+        'only' => NULL,
+        'values' => [],
+      ];
+    }
+
+    $this->add_table['values'][] = [
+      'name' => $placeholder,
+      'descendents' => $descendents,
+    ];
+    unset($placeholder);
+
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the currently assigned add table settings.
+   *
+   * @param int|null $index
+   *   (optional) Get the add table settings at the specified index.
+   *   When NULL, all add table settings are returned.
+   *
+   * @return c_base_return_array|c_base_return_null
+   *   An array containing the add table settings on success.
+   *   NULL is returned if not set (add table not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_add_table() {
+    if (is_null($this->add_table)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->add_table)) {
+      return c_base_return_array::s_new($this->add_table);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'add_table', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_add_table() {
+    $value = c_database_string::ADD_TABLE;
+
+    if ($this->add_table['only']) {
+      $value .= ' ' . c_database_string::ONLY;
+    }
+
+    $values = [];
+    foreach ($this->add_table['values'] as $add_value) {
+      $name = $add_value['name'];
+      if ($add_value['descendents']) {
+        $name .= ' *';
+      }
+      $values[] =  $name;
+    }
+    unset($add_value);
+    unset($name);
+
+    return $value . ' ' . implode(', ', $values);
+  }
+}
diff --git a/common/database/traits/database_add_user.php b/common/database/traits/database_add_user.php
index 061cb31..d230563 100644
--- a/common/database/traits/database_add_user.php
+++ b/common/database/traits/database_add_user.php
@@ -23,7 +23,7 @@ trait t_database_add_user {
   /**
    * Set the add user or drop user.
    *
-   * @param string|int|bool|null $role_type
+   * @param string|int|bool|null $name
    *   The user name (role name) to use.
    *   Set to TRUE to toggle to ADD USER (default).
    *   Set to FALSE to toggle to DROP USER.
diff --git a/common/database/traits/database_argument_type.php b/common/database/traits/database_argument_type.php
index 177c674..87214bf 100644
--- a/common/database/traits/database_argument_type.php
+++ b/common/database/traits/database_argument_type.php
@@ -107,7 +107,7 @@ trait t_database_argument_type {
       return new c_base_return_null();
     }
 
-    if (is_null($this->argument_type['type'])) {
+    if (is_null($index)) {
       return c_base_return_array::s_new($this->argument_type);
     }
     else if (isset($this->argument_type[$index]) && is_array($this->argument_type[$index])) {
diff --git a/common/database/traits/database_as_data_type.php b/common/database/traits/database_as_data_type.php
new file mode 100644
index 0000000..16abfba
--- /dev/null
+++ b/common/database/traits/database_as_data_type.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql AS data type functionality.
+ */
+trait t_database_as_data_type {
+  protected $as_data_type;
+
+  /**
+   * Set the AS data type settings.
+   *
+   * @param string|null $type
+   *   The data type to use.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_as_data_type($type) {
+    if (is_null($type)) {
+      $this->as_data_type = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_string($type)) {
+      $placeholder = $this->add_placeholder($type);
+      if ($placeholder->has_error()) {
+        return c_base_return_error::s_false($placeholder->get_error());
+      }
+
+      $this->as_data_type = $placeholder;
+      unset($placeholder);
+
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'type', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned data type.
+   *
+   * @return i_database_query_placeholder|c_base_return_null
+   *   A data type query placeholder on success.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_as_data_type() {
+    if (is_null($this->as_data_type)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->as_data_type)) {
+      return clone($this->as_data_type);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'as_data_type', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_as_data_type() {
+    return c_database_string::AS . ' ' . $this->as_data_type;
+  }
+}
diff --git a/common/database/traits/database_cache.php b/common/database/traits/database_cache.php
new file mode 100644
index 0000000..14a1d4f
--- /dev/null
+++ b/common/database/traits/database_cache.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql CACHE functionality.
+ */
+trait t_database_cache {
+  protected $cache;
+
+  /**
+   * Set the CACHE settings.
+   *
+   * @param int|null $sequence
+   *   The cache sequence number to use.
+   *   Postgesql only supports 1 or greater.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_cache($sequence) {
+    if (is_null($sequence)) {
+      $this->cache = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_int($sequence) && $sequence > 0) {
+      $this->cache = $sequence;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'sequence', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned cache sequence number.
+   *
+   * @return c_base_return_int|c_base_return_null
+   *   A cache sequence number.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_cache() {
+    if (is_null($this->cache)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->cache)) {
+      return c_base_return_int::s_new($this->cache);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'cache', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_cache() {
+    return c_database_string::CACHE . ' ' . $this->cache;
+  }
+}
diff --git a/common/database/traits/database_cluster_on.php b/common/database/traits/database_cluster_on.php
index e1b4c2e..2a0ee79 100644
--- a/common/database/traits/database_cluster_on.php
+++ b/common/database/traits/database_cluster_on.php
@@ -11,13 +11,13 @@ require_once('common/base/classes/base_error.php');
 require_once('common/base/classes/base_return.php');
 
 /**
- * Provide the sql NAME functionality.
+ * Provide the sql CLUSTER ON functionality.
  */
 trait t_database_cluster_on {
   protected $cluster_on;
 
   /**
-   * Set the OID settings.
+   * Set the CLUSTER ON settings.
    *
    * @param string|null $index_name
    *   The index name to use.
@@ -50,7 +50,7 @@ trait t_database_cluster_on {
   }
 
   /**
-   * Get the currently assigned index name.
+   * Get the currently assigned cluster on setting.
    *
    * @return i_database_query_placeholder|c_base_return_null
    *   A index name query placeholder on success.
@@ -80,6 +80,6 @@ trait t_database_cluster_on {
    *   NULL is returned if there is nothing to process or there is an error.
    */
   protected function p_do_build_cluster_on() {
-    return strval($this->cluster_on);
+    return c_database_string::CLUSTER_ON . ' ' . strval($this->cluster_on);
   }
 }
diff --git a/common/database/traits/database_connection.php b/common/database/traits/database_connection.php
new file mode 100644
index 0000000..e77f297
--- /dev/null
+++ b/common/database/traits/database_connection.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql CONNECTION functionality.
+ */
+trait t_database_connection {
+  protected $connection;
+
+  /**
+   * Set the CONNECTION settings.
+   *
+   * @param string|null $value
+   *   The connection information to use.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_connection($value) {
+    if (is_null($value)) {
+      $this->connection = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_string($value)) {
+      $placeholder = $this->add_placeholder($value);
+      if ($placeholder->has_error()) {
+        return c_base_return_error::s_false($placeholder->get_error());
+      }
+
+      $this->connection = $placeholder;
+      unset($placeholder);
+
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned on connection information settings.
+   *
+   * @return i_database_query_placeholder|c_base_return_null
+   *   A connection information query placeholder on success.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_connection() {
+    if (is_null($this->connection)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->connection)) {
+      return clone($this->connection);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'connection', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_connection() {
+    return c_database_string::CONNECTION . ' ' . strval($this->connection);
+  }
+}
diff --git a/common/database/traits/database_cycle.php b/common/database/traits/database_cycle.php
new file mode 100644
index 0000000..d32376c
--- /dev/null
+++ b/common/database/traits/database_cycle.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql CYCLE functionality.
+ */
+trait t_database_cycle {
+  protected $cycle;
+
+  /**
+   * Set the CYCLE settings.
+   *
+   * @param bool|null $cycle
+   *   Set to TRUE for CYCLE.
+   *   Set to FALSE fo NO CYCLE.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_cycle($cycle) {
+    if (is_null($cycle)) {
+      $this->cycle = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_bool($cycle)) {
+      $this->cycle = $cycle;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'cycle', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned data type.
+   *
+   * @return c_base_return_bool|c_base_return_null
+   *   A boolean with TRUE repesenting CYCLE and FALSE representing NO CYCLE.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_cycle() {
+    if (is_null($this->cycle)) {
+      return new c_base_return_null();
+    }
+
+    if (is_bool($this->cycle)) {
+      return c_base_return_bool::s_new($this->cycle);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'cycle', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_cycle() {
+    if ($this->cycle) {
+      return c_database_string::CYCLE;
+    }
+
+    return c_database_string::NO . ' ' . c_database_string::CYCLE;
+  }
+}
diff --git a/common/database/traits/database_disable.php b/common/database/traits/database_disable.php
new file mode 100644
index 0000000..affa0b1
--- /dev/null
+++ b/common/database/traits/database_disable.php
@@ -0,0 +1,82 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql DISABLE functionality.
+ */
+trait t_database_disable {
+  protected $disable;
+
+  /**
+   * Set the DISABLE settings.
+   *
+   * @param bool|null $disable
+   *   Set to TRUE for DISABLE.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_disable($disable) {
+    if (is_null($disable)) {
+      $this->disable = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_bool($disable)) {
+      $this->disable = $disable;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'disable', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned data type.
+   *
+   * @return c_base_return_bool|c_base_return_null
+   *   A boolean with TRUE repesenting DISABLE.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_disable() {
+    if (is_null($this->disable)) {
+      return new c_base_return_null();
+    }
+
+    if (is_bool($this->disable)) {
+      return c_base_return_bool::s_new($this->disable);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'disable', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_disable() {
+    if ($this->disable) {
+      return c_database_string::DISABLE;
+    }
+
+    return NULL;
+  }
+}
diff --git a/common/database/traits/database_drop_table.php b/common/database/traits/database_drop_table.php
new file mode 100644
index 0000000..5ac08ea
--- /dev/null
+++ b/common/database/traits/database_drop_table.php
@@ -0,0 +1,132 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_string.php');
+
+/**
+ * Provide the sql DROP TABLE functionality.
+ */
+trait t_database_drop_value {
+  protected $drop_value;
+
+  /**
+   * Set the DROP TABLE settings.
+   *
+   * @param string|null $name
+   *   The table name.
+   *   Set to NULL to disable.
+   * @param bool|null $only
+   *   (optional) whether or not to specify ONLY.
+   * @param bool|null $descendents
+   *   (optional) whether or not to specify a wildcard after the table name.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_drop_value($name, $only = NULL, $descendents = NULL) {
+    if (is_null($name)) {
+      $this->drop_value = NULL;
+      return new c_base_return_true();
+    }
+
+    if (!is_string($name)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_null($only) && !is_bool($only)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'only', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_null($descendents) && !is_bool($descendents)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'descendents', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    $placeholder = $this->add_placeholder($name);
+    if ($placeholder->has_error()) {
+      return c_base_return_error::s_false($placeholder->get_error());
+    }
+
+    if (!is_array($this->drop_value)) {
+      $this->drop_value = [
+        'only' => NULL,
+        'values' => [],
+      ];
+    }
+
+    $this->drop_value['values'][] = [
+      'name' => $placeholder,
+      'descendents' => $descendents,
+    ];
+    unset($placeholder);
+
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the currently assigned add table settings.
+   *
+   * @param int|null $index
+   *   (optional) Get the add table settings at the specified index.
+   *   When NULL, all add table settings are returned.
+   *
+   * @return c_base_return_array|c_base_return_null
+   *   An array containing the add table settings on success.
+   *   NULL is returned if not set (add table not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_drop_value() {
+    if (is_null($this->drop_value)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->drop_value)) {
+      return c_base_return_array::s_new($this->drop_value);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'drop_value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_drop_value() {
+    $value = c_database_string::DROP_TABLE;
+
+    if ($this->drop_value['only']) {
+      $value .= ' ' . c_database_string::ONLY;
+    }
+
+    $values = [];
+    foreach ($this->drop_value['values'] as $drop_value) {
+      $name = $drop_value['name'];
+      if ($drop_value['descendents']) {
+        $name .= ' *';
+      }
+      $values[] =  $name;
+    }
+    unset($drop_value);
+    unset($name);
+
+    return $value . ' ' . implode(', ', $values);
+  }
+}
diff --git a/common/database/traits/database_enable.php b/common/database/traits/database_enable.php
new file mode 100644
index 0000000..a446aff
--- /dev/null
+++ b/common/database/traits/database_enable.php
@@ -0,0 +1,82 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql ENABLE functionality.
+ */
+trait t_database_enable {
+  protected $enable;
+
+  /**
+   * Set the ENABLE settings.
+   *
+   * @param bool|null $enable
+   *   Set to TRUE for ENABLE.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_enable($enable) {
+    if (is_null($enable)) {
+      $this->enable = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_bool($enable)) {
+      $this->enable = $enable;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'enable', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned data type.
+   *
+   * @return c_base_return_bool|c_base_return_null
+   *   A boolean with TRUE repesenting ENABLE.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_enable() {
+    if (is_null($this->enable)) {
+      return new c_base_return_null();
+    }
+
+    if (is_bool($this->enable)) {
+      return c_base_return_bool::s_new($this->enable);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'enable', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_enable() {
+    if ($this->enable) {
+      return c_database_string::ENABLE;
+    }
+
+    return NULL;
+  }
+}
diff --git a/common/database/traits/database_in_database.php b/common/database/traits/database_in_database.php
new file mode 100644
index 0000000..d1757ee
--- /dev/null
+++ b/common/database/traits/database_in_database.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql IN DATABASE functionality.
+ */
+trait t_database_in_database {
+  protected $in_database;
+
+  /**
+   * Set the IN DATABASE settings.
+   *
+   * @param string|null $name
+   *   The database name to use.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_in_database($name) {
+    if (is_null($name)) {
+      $this->in_database = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_string($name)) {
+      $placeholder = $this->add_placeholder($name);
+      if ($placeholder->has_error()) {
+        return c_base_return_error::s_false($placeholder->get_error());
+      }
+
+      $this->in_database = $placeholder;
+      unset($placeholder);
+
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned database name.
+   *
+   * @return i_database_query_placeholder|c_base_return_null
+   *   A database name query placeholder on success.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_in_database() {
+    if (is_null($this->in_database)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->in_database)) {
+      return clone($this->in_database);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'in_database', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_in_database() {
+    return c_database_string::IN_DATABASE . ' ' . $this->in_database;
+  }
+}
diff --git a/common/database/traits/database_increment_by.php b/common/database/traits/database_increment_by.php
new file mode 100644
index 0000000..2ab5a87
--- /dev/null
+++ b/common/database/traits/database_increment_by.php
@@ -0,0 +1,78 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql INCREMENT BY functionality.
+ */
+trait t_database_increment_by {
+  protected $increment_by;
+
+  /**
+   * Set the INCREMENT BY settings.
+   *
+   * @param int|null $by
+   *   A positive or negative number to increment by.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_increment_by($by) {
+    if (is_null($by)) {
+      $this->increment_by = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_int($by)) {
+      $this->increment_by = $by;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'by', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned increment by value.
+   *
+   * @return c_base_return_int|c_base_return_null
+   *   An increment by number.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_increment_by() {
+    if (is_null($this->increment_by)) {
+      return new c_base_return_null();
+    }
+
+    if (is_int($this->increment_by)) {
+      return c_base_return_int::s_new($this->increment_by);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'increment_by', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_increment_by() {
+    return c_database_string::INCREMENT_BY . ' ' . $this->increment_by;
+  }
+}
diff --git a/common/database/traits/database_max_value.php b/common/database/traits/database_max_value.php
new file mode 100644
index 0000000..ac43fed
--- /dev/null
+++ b/common/database/traits/database_max_value.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql MAXVALUE functionality.
+ */
+trait t_database_max_value {
+  protected $max_value;
+
+  /**
+   * Set the MAXVALUE data type settings.
+   *
+   * @param int|false|null $value
+   *   A number representing the max value.
+   *   Set to FALSE for NO MAXVALUE.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_max_value($value) {
+    if (is_null($value)) {
+      $this->max_value = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_int($value) || $value === FALSE) {
+      $this->max_value = $value;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned max value.
+   *
+   * @return c_base_return_string|c_base_return_bool|c_base_return_null
+   *   A number representing the max value.
+   *   FALSE for no max value.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_max_value() {
+    if (is_null($this->max_value)) {
+      return new c_base_return_null();
+    }
+
+    if (is_int($this->max_value)) {
+      return c_base_return_int::s_new($this->max_value);
+    }
+    else if ($this->max_value === FALSE) {
+      return c_base_return_bool::s_new($this->max_value);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'max_value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_max_value() {
+    if ($this->max_value === FALSE) {
+      return c_database_string::NO . ' ' . c_database_string::MAXVALUE;
+    }
+
+    return c_database_string::MAXVALUE . ' ' . $this->max_value;
+  }
+}
diff --git a/common/database/traits/database_min_value.php b/common/database/traits/database_min_value.php
new file mode 100644
index 0000000..f2045cb
--- /dev/null
+++ b/common/database/traits/database_min_value.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql MINVALUE functionality.
+ */
+trait t_database_min_value {
+  protected $min_value;
+
+  /**
+   * Set the MINVALUE data type settings.
+   *
+   * @param int|false|null $value
+   *   A number representing the min value.
+   *   Set to FALSE for NO MINVALUE.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_min_value($value) {
+    if (is_null($value)) {
+      $this->min_value = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_int($value) || $value === FALSE) {
+      $this->min_value = $value;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned min value.
+   *
+   * @return c_base_return_string|c_base_return_bool|c_base_return_null
+   *   A number representing the min value.
+   *   FALSE for no min value.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_min_value() {
+    if (is_null($this->min_value)) {
+      return new c_base_return_null();
+    }
+
+    if (is_int($this->min_value)) {
+      return c_base_return_int::s_new($this->min_value);
+    }
+    else if ($this->min_value === FALSE) {
+      return c_base_return_bool::s_new($this->min_value);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'min_value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_min_value() {
+    if ($this->min_value === FALSE) {
+      return c_database_string::NO . ' ' . c_database_string::MINVALUE;
+    }
+
+    return c_database_string::MINVALUE . ' ' . $this->min_value;
+  }
+}
diff --git a/common/database/traits/database_oid.php b/common/database/traits/database_oid.php
index a98db9e..63a9e9c 100644
--- a/common/database/traits/database_oid.php
+++ b/common/database/traits/database_oid.php
@@ -11,81 +11,7 @@ require_once('common/base/classes/base_error.php');
 require_once('common/base/classes/base_return.php');
 
 /**
- * Provide the sql NAME functionality.
- */
-trait t_database_oid {
-  protected $oid;
-
-  /**
-   * Set the OID settings.
-   *
-   * @param string|null $oid
-   *   The oid to use.
-   *   Set to NULL to disable.
-   *
-   * @return c_base_return_status
-   *   TRUE on success, FALSE otherwise.
-   *   FALSE with the error bit set is returned on error.
-   */
-  public function set_oid($oid) {
-    if (is_null($oid)) {
-      $this->oid = NULL;
-      return new c_base_return_true();
-    }
-
-    if (is_string($oid)) {
-      $placeholder = $this->add_placeholder($oid);
-      if ($placeholder->has_error()) {
-        return c_base_return_error::s_false($placeholder->get_error());
-      }
-
-      $this->oid = $placeholder;
-      unset($placeholder);
-
-      return new c_base_return_true();
-    }
-
-    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'oid', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
-    return c_base_return_error::s_false($error);
-  }
-
-  /**
-   * Get the currently assigned oid.
-   *
-   * @return i_database_query_placeholder|c_base_return_null
-   *   A oid query placeholder on success.
-   *   NULL is returned if not set.
-   *   NULL with the error bit set is returned on error.
-   */
-  public function get_oid() {
-    if (is_null($this->oid)) {
-      return new c_base_return_null();
-    }
-
-    if (isset($this->oid)) {
-      return clone($this->oid);
-    }
-
-    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'oid', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
-    return c_base_return_error::s_null($error);
-  }
-
-  /**
-   * Perform the common build process for this trait.
-   *
-   * As an internal trait method, the caller is expected to perform any appropriate validation.
-   *
-   * @return string|null
-   *   A string is returned on success.
-   *   NULL is returned if there is nothing to process or there is an error.
-   */
-  protected function p_do_build_oid() {
-    return strval($this->oid);
-  }
-}
-
-/**
- * Provide the sql NAME functionality.
+ * Provide the sql OID functionality.
  */
 trait t_database_oid {
   protected $oid;
diff --git a/common/database/traits/database_using.php b/common/database/traits/database_on_table.php
similarity index 60%
rename from common/database/traits/database_using.php
rename to common/database/traits/database_on_table.php
index a77b254..cbaa659 100644
--- a/common/database/traits/database_using.php
+++ b/common/database/traits/database_on_table.php
@@ -11,62 +11,62 @@ require_once('common/base/classes/base_error.php');
 require_once('common/base/classes/base_return.php');
 
 /**
- * Provide the sql USING functionality.
+ * Provide the sql ON TABLE functionality.
  */
-trait t_database_using {
-  protected $using;
+trait t_database_on_table {
+  protected $on_table;
 
   /**
-   * Set the USING settings.
+   * Set the ON TABLE settings.
    *
-   * @param string|null $using
-   *   The using to use.
+   * @param string|null $name
+   *   The table name to use.
    *   Set to NULL to disable.
    *
    * @return c_base_return_status
    *   TRUE on success, FALSE otherwise.
    *   FALSE with the error bit set is returned on error.
    */
-  public function set_using($using) {
-    if (is_null($using)) {
-      $this->using = NULL;
+  public function set_on_table($name) {
+    if (is_null($name)) {
+      $this->on_table = NULL;
       return new c_base_return_true();
     }
 
-    if (is_string($using)) {
-      $placeholder = $this->add_placeholder($using);
+    if (is_string($name)) {
+      $placeholder = $this->add_placeholder($name);
       if ($placeholder->has_error()) {
         return c_base_return_error::s_false($placeholder->get_error());
       }
 
-      $this->using = $placeholder;
+      $this->on_table = $placeholder;
       unset($placeholder);
 
       return new c_base_return_true();
     }
 
-    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'using', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
     return c_base_return_error::s_false($error);
   }
 
   /**
-   * Get the currently assigned using.
+   * Get the currently assigned on table settings.
    *
    * @return i_database_query_placeholder|c_base_return_null
-   *   A using query placeholder on success.
+   *   A name query placeholder on success.
    *   NULL is returned if not set.
    *   NULL with the error bit set is returned on error.
    */
-  public function get_using() {
-    if (is_null($this->using)) {
+  public function get_on_table() {
+    if (is_null($this->on_table)) {
       return new c_base_return_null();
     }
 
-    if (isset($this->using)) {
-      return clone($this->using);
+    if (isset($this->on_table)) {
+      return clone($this->on_table);
     }
 
-    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'using', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'on_table', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
     return c_base_return_error::s_null($error);
   }
 
@@ -79,7 +79,7 @@ trait t_database_using {
    *   A string is returned on success.
    *   NULL is returned if there is nothing to process or there is an error.
    */
-  protected function p_do_build_using() {
-    return strval($this->using);
+  protected function p_do_build_on_table() {
+    return strval($this->on_table);
   }
 }
diff --git a/common/database/traits/database_owned_by.php b/common/database/traits/database_owned_by.php
index 809a4ad..34e96e4 100644
--- a/common/database/traits/database_owned_by.php
+++ b/common/database/traits/database_owned_by.php
@@ -37,7 +37,7 @@ trait t_database_owned_by {
     }
 
     if (is_int($owned_by)) {
-      if ($owned_by === e_database_user::ALL) {
+      if ($owned_by === e_database_user::ALL || $owned_by === e_database_user::NONE) {
         $this->owned_by = e_database_user::ALL;
 
         return new c_base_return_true();
@@ -79,7 +79,7 @@ trait t_database_owned_by {
     }
 
     if (is_null($index)) {
-      if ($this->owned_by === e_database_user::ALL) {
+      if ($this->owned_by === e_database_user::ALL || $this->owned_by === e_database_user::NONE) {
         return c_base_return_array::s_new([$this->owned_by]);
       }
       else if (is_array($this->owned_by)) {
@@ -115,15 +115,18 @@ trait t_database_owned_by {
    *   NULL is returned if there is nothing to process or there is an error.
    */
   protected function p_do_build_owned_by() {
-    $owned_by = c_database_string::OWNED_BY . ' ';
+    $value = c_database_string::OWNED_BY . ' ';
 
     if ($this->owned_by === e_database_user::ALL) {
-      $owned_by .= c_database_string::ALL;
+      $value .= c_database_string::ALL;
+    }
+    else if ($this->owned_by === e_database_user::NONE) {
+      $value .= c_database_string::NONE;
     }
     else {
-      $owned_by .= implode(', ', $this->owned_by);
+      $value .= implode(', ', $this->owned_by);
     }
 
-    return $owned_by;
+    return $value;
   }
 }
diff --git a/common/database/traits/database_refresh_publication.php b/common/database/traits/database_refresh_publication.php
new file mode 100644
index 0000000..53c1dfe
--- /dev/null
+++ b/common/database/traits/database_refresh_publication.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_string.php');
+
+/**
+ * Provide the sql REFRESH PUBLICATION functionality.
+ */
+trait t_database_refresh_publication {
+  protected $refresh_publication;
+
+  /**
+   * Set the REFRESH PUBLICATION settings.
+   *
+   * @param bool|null $refresh
+   *   Set to TRUE to use REFRESH PUBLICATION.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_refresh_publication($refresh) {
+    if (is_null($option)) {
+      $this->refresh_publication = NULL;
+      return new c_base_return_true();
+    }
+
+    if (!is_bool($refresh)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => '$refresh', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    $this->refresh_publication = $refresh;
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the currently assigned REFRESH PUBLICATION setting.
+   *
+   * @return c_base_return_bool|c_base_return_null
+   *   A boolean representing whether or not refresh publication is to be used.
+   *   NULL is returned if not set (refresh publication not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_refresh_publication($index = NULL) {
+    if (is_null($this->refresh_publication)) {
+      return new c_base_return_null();
+    }
+
+    return c_base_return_bool::s_new($this->refresh_publication);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_refresh_publication() {
+    if ($this->refresh_publication) {
+      return c_database_string::REFRESH_PUBLICATION;
+    }
+
+    return NULL;
+  }
+}
diff --git a/common/database/traits/database_reset_storage_parameter.php b/common/database/traits/database_reset_storage_parameter.php
index 9144a24..142a66b 100644
--- a/common/database/traits/database_reset_storage_parameter.php
+++ b/common/database/traits/database_reset_storage_parameter.php
@@ -41,8 +41,8 @@ trait t_database_reset_storage_parameter {
     switch ($storage_parameter) {
       case e_database_storage_parameter::AUTOSUMMARIZE:
       case e_database_storage_parameter::BUFFERING:
-      case e_database_storage_parameter::FAST_UPDATE:
-      case e_database_storage_parameter::FILL_FACTOR:
+      case e_database_storage_parameter::FASTUPDATE:
+      case e_database_storage_parameter::FILLFACTOR:
       case e_database_storage_parameter::GIN_PENDING_LIST_LIMIT:
       case e_database_storage_parameter::PAGES_PER_RANGE:
         break;
@@ -112,11 +112,11 @@ trait t_database_reset_storage_parameter {
       else if ($storage_parameter === e_database_storage_parameter::BUFFERING) {
         $values[] = c_database_string::BUFFERING;
       }
-      else if ($storage_parameter === e_database_storage_parameter::FAST_UPDATE) {
-        $values[] = c_database_string::FAST_UPDATE;
+      else if ($storage_parameter === e_database_storage_parameter::FASTUPDATE) {
+        $values[] = c_database_string::FASTUPDATE;
       }
-      else if ($storage_parameter === e_database_storage_parameter::FILL_FACTOR) {
-        $values[] = c_database_string::FILL_FACTOR;
+      else if ($storage_parameter === e_database_storage_parameter::FILLFACTOR) {
+        $values[] = c_database_string::FILLFACTOR;
       }
       else if ($storage_parameter === e_database_storage_parameter::GIN_PENDING_LIST_LIMIT) {
         $values[] = c_database_string::GIN_PENDING_LIST_LIMIT;
@@ -127,6 +127,6 @@ trait t_database_reset_storage_parameter {
     }
     unset($storage_parameter);
 
-    return c_database_string::RESET . ' ' . implode(', ', $values);
+    return c_database_string::RESET . ' (' . implode(', ', $values) . ')';
   }
 }
diff --git a/common/database/traits/database_restart_with.php b/common/database/traits/database_restart_with.php
new file mode 100644
index 0000000..c4f162d
--- /dev/null
+++ b/common/database/traits/database_restart_with.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql RESTART WITH functionality.
+ */
+trait t_database_restart_with {
+  protected $restart_with;
+
+  /**
+   * Set the RESTART WITH settings.
+   *
+   * @param int|null $value
+   *   A number representing the start with value.
+   *   Set to FALSE to use the default start with value.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_restart_with($value) {
+    if (is_null($value)) {
+      $this->restart_with = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_int($value) || $value === FALSE) {
+      $this->restart_with = $value;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned restart with value.
+   *
+   * @return c_base_return_int|c_base_return_bool|c_base_return_null
+   *   A number representing the start with value.
+   *   FALSE is returned when default START WITH value is to be used.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_restart_with() {
+    if (is_null($this->restart_with)) {
+      return new c_base_return_null();
+    }
+
+    if (is_int($this->restart_with)) {
+      return c_base_return_int::s_new($this->restart_with);
+    }
+    else if (is_bool($this->restart_with)) {
+      return c_base_return_bool::s_new($this->restart_with);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'restart_with', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_restart_with() {
+    return c_database_string::RESTART_WITH . ' ' . $this->restart_with;
+  }
+}
diff --git a/common/database/traits/database_role_specification.php b/common/database/traits/database_role_specification.php
index 9fab202..d54d9da 100644
--- a/common/database/traits/database_role_specification.php
+++ b/common/database/traits/database_role_specification.php
@@ -25,7 +25,7 @@ trait t_database_role_specification {
    *
    * @param int|string|null $name
    *   A string representing the role name to use.
-   *   May be an integer of either e_database_role::CURRENT or e_database_role::SESSION.
+   *   May be an integer of from e_database_role.
    *   Set to NULL to disable.
    *   When NULL, this will remove all values.
    *
@@ -48,7 +48,7 @@ trait t_database_role_specification {
       $this->role_specification = $placeholder;
       unset($placeholder);
     }
-    else if ($name !== e_database_role::CURRENT && $name !== e_database_role::SESSION) {
+    else if ($name !== e_database_role::ALL && $name !== e_database_role::CURRENT && $name !== e_database_role::SESSION) {
       $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
       return c_base_return_error::s_false($error);
 
@@ -62,7 +62,7 @@ trait t_database_role_specification {
    * Get the role specification.
    *
    * @return c_base_return_int|i_database_query_placeholder|c_base_return_null
-   *   A role name query placeholder or an integer representing either e_database_role::CURRENT or e_database_role::SESSION on success.
+   *   A role name query placeholder or an integer from e_database_role.
    *   NULL is returned if not set.
    *   NULL with the error bit set is returned on error.
    */
@@ -71,7 +71,7 @@ trait t_database_role_specification {
       return new c_base_return_null();
     }
 
-    if ($this->role_specification === e_database_role::CURRENT || $this->role_specification === e_database_role::SESSION) {
+    if ($this->role_specification === e_database_role::ALL || $this->role_specification === e_database_role::CURRENT || $this->role_specification === e_database_role::SESSION) {
       return c_base_return_int::s_new($this->role_specification);
     }
     else if (isset($this->role_specification)) {
@@ -94,7 +94,10 @@ trait t_database_role_specification {
   protected function p_do_build_role_specification() {
     $value = NULL;
     if (is_string($this->role_specification)) {
-      $value = $this->role_specification;
+      $value = strval($this->role_specification);
+    }
+    else if ($this->role_specification === e_database_role::ALL) {
+      $value = c_database_string::ALL;
     }
     else if ($this->role_specification === e_database_role::CURRENT) {
       $value = c_database_string::CURRENT;
@@ -103,6 +106,6 @@ trait t_database_role_specification {
       $value = c_database_string::SESSION;
     }
 
-    return strval($value);
+    return $value;
   }
 }
diff --git a/common/database/traits/database_set_publication_name.php b/common/database/traits/database_set_publication_name.php
new file mode 100644
index 0000000..2a82eb2
--- /dev/null
+++ b/common/database/traits/database_set_publication_name.php
@@ -0,0 +1,98 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_string.php');
+
+/**
+ * Provide the sql SET PUBLICATION name functionality.
+ */
+trait t_database_set_publication_name {
+  protected $set_publication_name;
+
+  /**
+   * Set the SET PUBLICATION (name ...) settings.
+   *
+   * @param string|null $name
+   *   The publication name.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_set_publication_name($name) {
+    if (is_null($option)) {
+      $this->set_publication_name = NULL;
+      return new c_base_return_true();
+    }
+
+    if (!is_string($name)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_array($this->set_publication_name)) {
+      $this->set_publication_name = [];
+    }
+
+    $this->set_publication_name[] = $name;
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the currently assigned SET PUBLICATION name at the specified index.
+   *
+   * @param int|null $index
+   *   (optional) Get the publication name at the specified index.
+   *   When NULL, all publication names are returned.
+   *
+   * @return c_base_return_array|c_base_return_string|c_base_return_null
+   *   An array of publication names or a string representing the publication name at $index..
+   *   NULL is returned if not set (publication name not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_set_publication_name($index = NULL) {
+    if (is_null($this->set_publication_name)) {
+      return new c_base_return_null();
+    }
+
+    if (is_null($index)) {
+      if (is_array($this->set_publication_name)) {
+        return c_base_return_array::s_new($this->set_publication_name);
+      }
+    }
+    else {
+      if (is_int($index) && array_key_exists($index, $this->set_publication_name)) {
+        return c_base_return_string::s_new($this->set_publication_name[$index]);
+      }
+
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'set_publication_name[index]', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+      return c_base_return_error::s_null($error);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'set_publication_name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_set_publication_name() {
+    return c_database_string::SET_PUBLICATION . ' ' . implode(', ', $this->set_publication_name);
+  }
+}
diff --git a/common/database/traits/database_set_publication_parameter.php b/common/database/traits/database_set_publication_parameter.php
new file mode 100644
index 0000000..cbfa271
--- /dev/null
+++ b/common/database/traits/database_set_publication_parameter.php
@@ -0,0 +1,148 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/enumerations/database_publication_parameter.php');
+require_once('common/database/enumerations/database_publication_value.php');
+
+require_once('common/database/classes/database_string.php');
+
+/**
+ * Provide the sql SET publication parameter functionality.
+ */
+trait t_database_set_publication_parameter {
+  protected $set_publication_parameter;
+
+  /**
+   * Set the SET (publication_parameter ...) settings.
+   *
+   * @param int|null $parameter
+   *   The publication parameter code to assign.
+   *   Should be one of: e_database_publication_parameter.
+   *   Set to NULL to disable.
+   * @param int|null $value
+   *   The type code to assign the parameter from e_database_publication_value.
+   *   This must not be NULL when $parameter is not NULL.
+   *   When NULL, this is ignored.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_set_publication_parameter($parameter, $value = NULL) {
+    if (is_null($parameter)) {
+      $this->set_publication_parameter = NULL;
+      return new c_base_return_true();
+    }
+
+    switch ($parameter) {
+      case e_database_publication_parameter::PUBLISH:
+        break;
+      default:
+        $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'parameter', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+        return c_base_return_error::s_false($error);
+    }
+
+    switch ($value) {
+      case e_database_publication_value::DELETE:
+      case e_database_publication_value::INSERT:
+      case e_database_publication_value::UPDATE:
+        break;
+      default:
+        $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+        return c_base_return_error::s_false($error);
+    }
+
+    if (!is_array($this->set_publication_parameter)) {
+      $this->set_publication_parameter = [];
+    }
+
+    $this->set_publication_parameter[] = [
+      'type' => $parameter,
+      'value' => $value,
+    ];
+
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the currently assigned SET publication parameter at the specified index.
+   *
+   * @param int|null $index
+   *   (optional) Get the publication parameter type at the specified index.
+   *   When NULL, all publication parameter types are returned.
+   *
+   * @return c_base_return_array|c_base_return_null
+   *   An array containing the set publication parameter settings on success.
+   *   NULL is returned if not set (publication parameter not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_set_publication_parameter($index = NULL) {
+    if (is_null($this->set_publication_parameter)) {
+      return new c_base_return_null();
+    }
+
+    if (is_null($index)) {
+      if (is_array($this->set_publication_parameter)) {
+        return c_base_return_array::s_new($this->set_publication_parameter);
+      }
+    }
+    else {
+      if (is_int($index) && array_key_exists($index, $this->set_publication_parameter)) {
+        return c_base_return_array::s_new($this->set_publication_parameter[$index]);
+      }
+
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'set_publication_parameter[index]', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+      return c_base_return_error::s_null($error);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'set_publication_parameter', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_set_publication_parameter() {
+    $values = [];
+    foreach ($this->set_publication_parameter as $parameter => $value) {
+      if ($parameter === e_database_publication_parameter::PUBLISH) {
+        $parameter_value = c_database_string::PUBLISH . ' = ';
+
+        if ($value === e_database_publication_value::DELETE) {
+          $parameter_value .= c_database_string::DELETE;
+        }
+        else if ($value === e_database_publication_value::INSERT) {
+          $parameter_value .= c_database_string::INSERT;
+        }
+        else if ($value === e_database_publication_value::UPDATE) {
+          $parameter_value .= c_database_string::UPDATE;
+        }
+        else {
+          continue;
+        }
+
+        $values[] = $parameter_value;
+      }
+    }
+    unset($parameter_value);
+    unset($parameter);
+    unset($value);
+
+    return c_database_string::SET . ' (' . implode(', ', $values) . ')';
+  }
+}
diff --git a/common/database/traits/database_set_schema.php b/common/database/traits/database_set_schema.php
index 670dc23..99431cb 100644
--- a/common/database/traits/database_set_schema.php
+++ b/common/database/traits/database_set_schema.php
@@ -22,7 +22,7 @@ trait t_database_set_schema {
    * Set the RENAME TO settings.
    *
    * @param string|null $set_schema
-   *   The name to rename to.
+   *   The schema name.
    *   Set to NULL to disable.
    *
    * @return c_base_return_status
@@ -50,7 +50,7 @@ trait t_database_set_schema {
    * Get the currently assigned schema name to set to.
    *
    * @return i_database_query_placeholder|c_base_return_null
-   *   A schema name on success.
+   *   A schema name query placeholder on success.
    *   NULL is returned if not set (set schema is not to be used).
    *   NULL with the error bit set is returned on error.
    */
diff --git a/common/database/traits/database_set_storage_parameter.php b/common/database/traits/database_set_storage_parameter.php
index 467bf3f..3addcda 100644
--- a/common/database/traits/database_set_storage_parameter.php
+++ b/common/database/traits/database_set_storage_parameter.php
@@ -15,7 +15,7 @@ require_once('common/database/enumerations/database_index_storage_parameter.php'
 require_once('common/database/classes/database_string.php');
 
 /**
- * Provide the sql SET functionality.
+ * Provide the sql SET storage parameter functionality.
  */
 trait t_database_set_storage_parameter {
   protected $set_storage_parameter;
@@ -23,7 +23,7 @@ trait t_database_set_storage_parameter {
   /**
    * Set the SET index (storage_parameter ...) settings.
    *
-   * @param int|null $storage_parameter
+   * @param int|null $parameter
    *   The storage parameter code to assign.
    *   Should be one of: e_database_storage_parameter.
    *   Set to NULL to disable.
@@ -36,22 +36,22 @@ trait t_database_set_storage_parameter {
    *   TRUE on success, FALSE otherwise.
    *   FALSE with the error bit set is returned on error.
    */
-  public function set_storage_parameter($storage_parameter, $value = NULL) {
-    if (is_null($storage_parameter)) {
+  public function set_set_storage_parameter($parameter, $value = NULL) {
+    if (is_null($parameter)) {
       $this->set_storage_parameter = NULL;
       return new c_base_return_true();
     }
 
-    switch ($storage_parameter) {
+    switch ($parameter) {
       case e_database_storage_parameter::AUTOSUMMARIZE:
       case e_database_storage_parameter::BUFFERING:
-      case e_database_storage_parameter::FAST_UPDATE:
-      case e_database_storage_parameter::FILL_FACTOR:
+      case e_database_storage_parameter::FASTUPDATE:
+      case e_database_storage_parameter::FILLFACTOR:
       case e_database_storage_parameter::GIN_PENDING_LIST_LIMIT:
       case e_database_storage_parameter::PAGES_PER_RANGE:
         break;
       default:
-        $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'storage_parameter', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+        $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'parameter', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
         return c_base_return_error::s_false($error);
     }
 
@@ -70,7 +70,7 @@ trait t_database_set_storage_parameter {
     }
 
     $this->set_storage_parameter[] = [
-      'type' => $storage_parameter,
+      'type' => $parameter,
       'value' => $placeholder,
     ];
     unset($placeholder);
@@ -124,29 +124,29 @@ trait t_database_set_storage_parameter {
    */
   protected function p_do_build_set_storage_parameter() {
     $values = [];
-    foreach ($this->set_storage_parameter as $storage_parameter => $value) {
-      if ($storage_parameter === e_database_storage_parameter::AUTOSUMMARIZE) {
+    foreach ($this->set_storage_parameter as $parameter => $value) {
+      if ($parameter === e_database_storage_parameter::AUTOSUMMARIZE) {
         $values[] = c_database_string::AUTOSUMMARIZE . ' = ' . $value;
       }
-      else if ($storage_parameter === e_database_storage_parameter::BUFFERING) {
+      else if ($parameter === e_database_storage_parameter::BUFFERING) {
         $values[] = c_database_string::BUFFERING . ' = ' . $value;
       }
-      else if ($storage_parameter === e_database_storage_parameter::FAST_UPDATE) {
-        $values[] = c_database_string::FAST_UPDATE . ' = ' . $value;
+      else if ($parameter === e_database_storage_parameter::FASTUPDATE) {
+        $values[] = c_database_string::FASTUPDATE . ' = ' . $value;
       }
-      else if ($storage_parameter === e_database_storage_parameter::FILL_FACTOR) {
-        $values[] = c_database_string::FILL_FACTOR . ' = ' . $value;
+      else if ($parameter === e_database_storage_parameter::FILLFACTOR) {
+        $values[] = c_database_string::FILLFACTOR . ' = ' . $value;
       }
-      else if ($storage_parameter === e_database_storage_parameter::GIN_PENDING_LIST_LIMIT) {
+      else if ($parameter === e_database_storage_parameter::GIN_PENDING_LIST_LIMIT) {
         $values[] = c_database_string::GIN_PENDING_LIST_LIMIT . ' = ' . $value;
       }
-      else if ($storage_parameter === e_database_storage_parameter::PAGES_PER_RANGE) {
+      else if ($parameter === e_database_storage_parameter::PAGES_PER_RANGE) {
         $values[] = c_database_string::PAGES_PER_RANGE . ' = ' . $value ;
       }
     }
-    unset($storage_parameter);
+    unset($parameter);
     unset($value);
 
-    return c_database_string::SET . ' ' . implode(', ', $values);
+    return c_database_string::SET . ' (' . implode(', ', $values) . ')';
   }
 }
diff --git a/common/database/traits/database_set_table.php b/common/database/traits/database_set_table.php
new file mode 100644
index 0000000..330a312
--- /dev/null
+++ b/common/database/traits/database_set_table.php
@@ -0,0 +1,132 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_string.php');
+
+/**
+ * Provide the sql SET TABLE functionality.
+ */
+trait t_database_set_table {
+  protected $set_table;
+
+  /**
+   * Set the SET TABLE settings.
+   *
+   * @param string|null $name
+   *   The table name.
+   *   Set to NULL to disable.
+   * @param bool|null $only
+   *   (optional) whether or not to specify ONLY.
+   * @param bool|null $descendents
+   *   (optional) whether or not to specify a wildcard after the table name.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_set_table($name, $only = NULL, $descendents = NULL) {
+    if (is_null($name)) {
+      $this->set_table = NULL;
+      return new c_base_return_true();
+    }
+
+    if (!is_string($name)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'name', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_null($only) && !is_bool($only)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'only', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_null($descendents) && !is_bool($descendents)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'descendents', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    $placeholder = $this->add_placeholder($name);
+    if ($placeholder->has_error()) {
+      return c_base_return_error::s_false($placeholder->get_error());
+    }
+
+    if (!is_array($this->set_table)) {
+      $this->set_table = [
+        'only' => NULL,
+        'values' => [],
+      ];
+    }
+
+    $this->set_table['values'][] = [
+      'name' => $placeholder,
+      'descendents' => $descendents,
+    ];
+    unset($placeholder);
+
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the currently assigned add table settings.
+   *
+   * @param int|null $index
+   *   (optional) Get the add table settings at the specified index.
+   *   When NULL, all add table settings are returned.
+   *
+   * @return c_base_return_array|c_base_return_null
+   *   An array containing the add table settings on success.
+   *   NULL is returned if not set (add table not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_set_table() {
+    if (is_null($this->set_table)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->set_table)) {
+      return c_base_return_array::s_new($this->set_table);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'set_table', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_set_table() {
+    $value = c_database_string::SET_TABLE;
+
+    if ($this->set_table['only']) {
+      $value .= ' ' . c_database_string::ONLY;
+    }
+
+    $values = [];
+    foreach ($this->set_table['values'] as $set_value) {
+      $name = $set_value['name'];
+      if ($set_value['descendents']) {
+        $name .= ' *';
+      }
+      $values[] =  $name;
+    }
+    unset($set_value);
+    unset($name);
+
+    return $value . ' ' . implode(', ', $values);
+  }
+}
diff --git a/common/database/traits/database_start_with.php b/common/database/traits/database_start_with.php
new file mode 100644
index 0000000..013d098
--- /dev/null
+++ b/common/database/traits/database_start_with.php
@@ -0,0 +1,78 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql START WITH functionality.
+ */
+trait t_database_start_with {
+  protected $start_with;
+
+  /**
+   * Set the START WITH settings.
+   *
+   * @param int|null $value
+   *   A number representing the start with value.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_start_with($value) {
+    if (is_null($value)) {
+      $this->start_with = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_int($value)) {
+      $this->start_with = $value;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned start with value.
+   *
+   * @return c_base_return_string|c_base_return_null
+   *   A number representing the start with value.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_start_with() {
+    if (is_null($this->start_with)) {
+      return new c_base_return_null();
+    }
+
+    if (is_int($this->start_with)) {
+      return c_base_return_int::s_new($this->start_with);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'start_with', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_start_with() {
+    return c_database_string::START_WITH . ' ' . $this->start_with;
+  }
+}
diff --git a/common/database/traits/database_using_expression.php b/common/database/traits/database_using_expression.php
new file mode 100644
index 0000000..383c519
--- /dev/null
+++ b/common/database/traits/database_using_expression.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql USING expression functionality.
+ */
+trait t_database_using_expression {
+  protected $using_expression;
+
+  /**
+   * Set the USING expression settings.
+   *
+   * @param string|null $sql_expression
+   *   An SQL conditional expression.
+   *   This is not converted to a placeholder because it is an SQL expression.
+   *   The caller must ensure SQL safety.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_using_expression($sql_expression) {
+    if (is_null($sql_expression)) {
+      $this->using_expression = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_string($sql_expression)) {
+      $this->using_expression = $sql_expression;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'sql_expression', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned USING expression settings.
+   *
+   * @return c_base_return_string|c_base_return_null
+   *   A name query placeholder on success.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_using_expression() {
+    if (is_null($this->using_expression)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->using_expression)) {
+      return c_base_return_string::s_new($this->using_expression);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'using_expression', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_using_expression() {
+    return c_database_string::USING . ' ' . $this->using_expression;
+  }
+}
diff --git a/common/database/traits/database_using_index_method.php b/common/database/traits/database_using_index_method.php
new file mode 100644
index 0000000..169dfa8
--- /dev/null
+++ b/common/database/traits/database_using_index_method.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql USING functionality.
+ */
+trait t_database_using_index_method {
+  protected $using_index_method;
+
+  /**
+   * Set the USING settings.
+   *
+   * @param string|null $using_index_method
+   *   The using_index_method to use.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_using_index_method($using_index_method) {
+    if (is_null($using_index_method)) {
+      $this->using_index_method = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_string($using_index_method)) {
+      $placeholder = $this->add_placeholder($using_index_method);
+      if ($placeholder->has_error()) {
+        return c_base_return_error::s_false($placeholder->get_error());
+      }
+
+      $this->using_index_method = $placeholder;
+      unset($placeholder);
+
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'using_index_method', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned using_index_method.
+   *
+   * @return i_database_query_placeholder|c_base_return_null
+   *   A using_index_method query placeholder on success.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_using_index_method() {
+    if (is_null($this->using_index_method)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->using_index_method)) {
+      return clone($this->using_index_method);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'using_index_method', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_using_index_method() {
+    return strval($this->using_index_method);
+  }
+}
diff --git a/common/database/traits/database_version.php b/common/database/traits/database_version.php
new file mode 100644
index 0000000..21fb5dd
--- /dev/null
+++ b/common/database/traits/database_version.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql VERSION functionality.
+ */
+trait t_database_version {
+  protected $version;
+
+  /**
+   * Set the VERSION settings.
+   *
+   * @param string|null $version
+   *   The version to use.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_version($version) {
+    if (is_null($version)) {
+      $this->version = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_string($version)) {
+      $placeholder = $this->add_placeholder($version);
+      if ($placeholder->has_error()) {
+        return c_base_return_error::s_false($placeholder->get_error());
+      }
+
+      $this->version = $placeholder;
+      unset($placeholder);
+
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'version', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned on version settings.
+   *
+   * @return i_database_query_placeholder|c_base_return_null
+   *   A version query placeholder on success.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_version() {
+    if (is_null($this->version)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->version)) {
+      return clone($this->version);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'version', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_version() {
+    return strval($this->version);
+  }
+}
diff --git a/common/database/traits/database_with_check_expression.php b/common/database/traits/database_with_check_expression.php
new file mode 100644
index 0000000..3591eb2
--- /dev/null
+++ b/common/database/traits/database_with_check_expression.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+/**
+ * Provide the sql WITH CHECK expression functionality.
+ */
+trait t_database_with_check_expression {
+  protected $with_check_expression;
+
+  /**
+   * Set the WITH CHECK expression settings.
+   *
+   * @param string|null $sql_expression
+   *   An SQL conditional expression.
+   *   This is not converted to a placeholder because it is an SQL expression.
+   *   The caller must ensure SQL safety.
+   *   Set to NULL to disable.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_with_check_expression($sql_expression) {
+    if (is_null($sql_expression)) {
+      $this->with_check_expression = NULL;
+      return new c_base_return_true();
+    }
+
+    if (is_string($sql_expression)) {
+      $this->with_check_expression = $sql_expression;
+      return new c_base_return_true();
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'sql_expression', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+    return c_base_return_error::s_false($error);
+  }
+
+  /**
+   * Get the currently assigned WITH CHECK expression settings.
+   *
+   * @return c_base_return_string|c_base_return_null
+   *   A name query placeholder on success.
+   *   NULL is returned if not set.
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_with_check_expression() {
+    if (is_null($this->with_check_expression)) {
+      return new c_base_return_null();
+    }
+
+    if (isset($this->with_check_expression)) {
+      return c_base_return_string::s_new($this->with_check_expression);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'with_check_expression', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_with_check_expression() {
+    return c_database_string::WITH_CHECK . ' ' . $this->with_check_expression;
+  }
+}
diff --git a/common/database/traits/database_with_publication_option.php b/common/database/traits/database_with_publication_option.php
new file mode 100644
index 0000000..1b6695f
--- /dev/null
+++ b/common/database/traits/database_with_publication_option.php
@@ -0,0 +1,135 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/enumerations/database_publication_option.php');
+
+require_once('common/database/classes/database_string.php');
+
+/**
+ * Provide the sql WITH publication option functionality.
+ */
+trait t_database_with_publication_option {
+  protected $with_publication_option;
+
+  /**
+   * Set the WITH (publication_option ...) settings.
+   *
+   * @param int|null $option
+   *   The publication option code to assign.
+   *   Should be one of: e_database_publication_option.
+   *   Set to NULL to disable.
+   * @param bool|null $value
+   *   Set the option value to either TRUE or FALSE.
+   *   This is ignored when $option is NULL.
+   *   When NULL, this is ignored.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_with_publication_option($option, $value = NULL) {
+    if (is_null($option)) {
+      $this->with_publication_option = NULL;
+      return new c_base_return_true();
+    }
+
+    switch ($option) {
+      case e_database_publication_option::REFRESH:
+        break;
+      default:
+        $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'option', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+        return c_base_return_error::s_false($error);
+    }
+
+    if (!is_bool($value)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_array($this->with_publication_option)) {
+      $this->with_publication_option = [];
+    }
+
+    $this->with_publication_option[] = [
+      'option' => $option,
+      'value' => $value,
+    ];
+
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the currently assigned WITH publication option at the specified index.
+   *
+   * @param int|null $index
+   *   (optional) Get the publication options at the specified index.
+   *   When NULL, all publication options are returned.
+   *
+   * @return c_base_return_array|c_base_return_null
+   *   An array containing the with publication option settings on success.
+   *   NULL is returned if not set (with publication option not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_with_publication_option($index = NULL) {
+    if (is_null($this->with_publication_option)) {
+      return new c_base_return_null();
+    }
+
+    if (is_null($index)) {
+      if (is_array($this->with_publication_option)) {
+        return c_base_return_array::s_new($this->with_publication_option);
+      }
+    }
+    else {
+      if (is_int($index) && array_key_exists($index, $this->with_publication_option)) {
+        return c_base_return_array::s_new($this->with_publication_option[$index]);
+      }
+
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'with_publication_option[index]', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+      return c_base_return_error::s_null($error);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'with_publication_option', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_with_publication_option() {
+    $values = [];
+    foreach ($this->with_publication_option as $option) {
+      if ($parameter === e_database_publication_option::REFRESH) {
+        $value = c_database_string::REFRESH . ' = ';
+
+        if ($option) {
+          $value .= c_database_string::TRUE;
+        }
+        else {
+          $value .= c_database_string::FALSE;
+        }
+
+        $values[] = $value;
+      }
+    }
+    unset($option);
+    unset($value);
+
+    return c_database_string::WITH . ' (' . implode(', ', $values) . ')';
+  }
+}
diff --git a/common/database/traits/database_with_refresh_option.php b/common/database/traits/database_with_refresh_option.php
new file mode 100644
index 0000000..77c458c
--- /dev/null
+++ b/common/database/traits/database_with_refresh_option.php
@@ -0,0 +1,135 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/enumerations/database_refresh_option.php');
+
+require_once('common/database/classes/database_string.php');
+
+/**
+ * Provide the sql WITH refresh option functionality.
+ */
+trait t_database_with_refresh_option {
+  protected $with_refresh_option;
+
+  /**
+   * Set the WITH (refresh_option ...) settings.
+   *
+   * @param int|null $option
+   *   The refresh option code to assign.
+   *   Should be one of: e_database_refresh_option.
+   *   Set to NULL to disable.
+   * @param bool|null $value
+   *   Set the option value to either TRUE or FALSE.
+   *   This is ignored when $option is NULL.
+   *   When NULL, this is ignored.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_with_refresh_option($option, $value = NULL) {
+    if (is_null($option)) {
+      $this->with_refresh_option = NULL;
+      return new c_base_return_true();
+    }
+
+    switch ($option) {
+      case e_database_refresh_option::REFRESH:
+        break;
+      default:
+        $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'option', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+        return c_base_return_error::s_false($error);
+    }
+
+    if (!is_bool($value)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_array($this->with_refresh_option)) {
+      $this->with_refresh_option = [];
+    }
+
+    $this->with_refresh_option[] = [
+      'option' => $option,
+      'value' => $value,
+    ];
+
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the currently assigned WITH refresh option at the specified index.
+   *
+   * @param int|null $index
+   *   (optional) Get the refresh options at the specified index.
+   *   When NULL, all refresh options are returned.
+   *
+   * @return c_base_return_array|c_base_return_null
+   *   An array containing the with refresh option settings on success.
+   *   NULL is returned if not set (with refresh option not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_with_refresh_option($index = NULL) {
+    if (is_null($this->with_refresh_option)) {
+      return new c_base_return_null();
+    }
+
+    if (is_null($index)) {
+      if (is_array($this->with_refresh_option)) {
+        return c_base_return_array::s_new($this->with_refresh_option);
+      }
+    }
+    else {
+      if (is_int($index) && array_key_exists($index, $this->with_refresh_option)) {
+        return c_base_return_array::s_new($this->with_refresh_option[$index]);
+      }
+
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'with_refresh_option[index]', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+      return c_base_return_error::s_null($error);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'with_refresh_option', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_with_refresh_option() {
+    $values = [];
+    foreach ($this->with_refresh_option as $option) {
+      if ($parameter === e_database_refresh_option::COPY_DATA) {
+        $value = c_database_string::COPY_DATA . ' = ';
+
+        if ($option) {
+          $value .= c_database_string::TRUE;
+        }
+        else {
+          $value .= c_database_string::FALSE;
+        }
+
+        $values[] = $value;
+      }
+    }
+    unset($option);
+    unset($value);
+
+    return c_database_string::WITH . ' (' . implode(', ', $values) . ')';
+  }
+}
diff --git a/common/database/traits/database_with_role_option.php b/common/database/traits/database_with_role_option.php
new file mode 100644
index 0000000..a3ed53b
--- /dev/null
+++ b/common/database/traits/database_with_role_option.php
@@ -0,0 +1,209 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/classes/database_string.php');
+
+require_once('common/database/enumerations/database_role_option.php');
+
+/**
+ * Provide the sql WITH (role) option functionality.
+ */
+trait t_database_with_role_option {
+  protected $with_role_option;
+
+  /**
+   * Set the with role option.
+   *
+   * @param int|null $type
+   *   The option type from e_database_role_option.
+   *   Set to NULL to disable.
+   *   When NULL, this will remove all values.
+   * @param string|null $value
+   *   (optional) A value string associated with the option type.
+   *   Required by some option types, ignored by others.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with error bit set is returned on error.
+   */
+  public function set_with_role_option($type, $value = NULL) {
+    if (is_null($type)) {
+      $this->with_role_option = NULL;
+      return new c_base_return_true();
+    }
+
+    $role_option = [
+      'type' => $type,
+      'value' => NULL,
+    ];
+
+    switch ($type) {
+      case e_database_role_option::BYPASSRLS:
+      case e_database_role_option::CREATEDB:
+      case e_database_role_option::CREATEROLE:
+      case e_database_role_option::INHERIT:
+      case e_database_role_option::LOGIN:
+      case e_database_role_option::NOBYPASSRLS:
+      case e_database_role_option::NOCREATEDB:
+      case e_database_role_option::NOCREATEROLE:
+      case e_database_role_option::NOINHERIT:
+      case e_database_role_option::NOLOGIN:
+      case e_database_role_option::NOREPLICATION:
+      case e_database_role_option::NOSUPERUSER:
+      case e_database_role_option::REPLICATION:
+      case e_database_role_option::SUPERUSER:
+        break;
+
+      case e_database_role_option::CONNECTION_LIMIT:
+        if (is_int($value)) {
+          $role_option['value'] = $value;
+        }
+        else if (!is_null($value)) {
+          unset($role_option);
+          $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+          return c_base_return_error::s_false($error);
+        }
+        break;
+
+      case e_database_role_option::PASSWORD:
+      case e_database_role_option::PASSWORD_ENCRYPTED:
+      case e_database_role_option::VALIDUNTIL:
+        if (is_string($value)) {
+          $placeholder = $this->add_placeholder($value);
+          if ($placeholder->has_error()) {
+            unset($role_option);
+            return c_base_return_error::s_false($placeholder->get_error());
+          }
+
+          $role_option['value'] = $placeholder;
+          unset($placeholder);
+        }
+        else if (!is_null($value)) {
+          unset($role_option);
+          $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+          return c_base_return_error::s_false($error);
+        }
+        break;
+
+      default:
+        unset($role_option);
+        $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'type', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+        return c_base_return_error::s_false($error);
+    }
+
+    if (!is_array($this->with_role_option)) {
+      $this->with_role_option = [];
+    }
+
+    $this->with_role_option[] = $role_option;
+    unset($role_option);
+
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the with role option settings.
+   *
+   * @return c_base_return_array|c_base_return_null
+   *   An array of with role option settings on success.
+   *   NULL is returned if not set (with role option is not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_with_role_option() {
+    if (is_null($this->with_role_option)) {
+      return new c_base_return_null();
+    }
+
+    if (is_array($this->with_role_option)) {
+      return c_base_return_array::s_new($this->with_role_option);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'with_role_option', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_with_role_option() {
+    $values = [];
+    foreach ($this->with_role_option as $role_option) {
+      if ($role_option['type'] === e_database_role_option::BYPASSRLS) {
+        $values[] = c_database_string::BYPASSRLS;
+      }
+      else if ($role_option['type'] === e_database_role_option::CREATEDB) {
+        $values[] = c_database_string::CREATEDB;
+      }
+      else if ($role_option['type'] === e_database_role_option::CREATEROLE) {
+        $values[] = c_database_string::CREATEROLE;
+      }
+      else if ($role_option['type'] === e_database_role_option::INHERIT) {
+        $values[] = c_database_string::INHERIT;
+      }
+      else if ($role_option['type'] === e_database_role_option::LOGIN) {
+        $values[] = c_database_string::LOGIN;
+      }
+      else if ($role_option['type'] === e_database_role_option::NOBYPASSRLS) {
+        $values[] = c_database_string::NOBYPASSRLS;
+      }
+      else if ($role_option['type'] === e_database_role_option::NOCREATEDB) {
+        $values[] = c_database_string::NOCREATEDB;
+      }
+      else if ($role_option['type'] === e_database_role_option::NOCREATEROLE) {
+        $values[] = c_database_string::NOCREATEROLE;
+      }
+      else if ($role_option['type'] === e_database_role_option::NOINHERIT) {
+        $values[] = c_database_string::NOINHERIT;
+      }
+      else if ($role_option['type'] === e_database_role_option::NOLOGIN) {
+        $values[] = c_database_string::NOLOGIN;
+      }
+      else if ($role_option['type'] === e_database_role_option::NOREPLICATION) {
+        $values[] = c_database_string::NOREPLICATION;
+      }
+      else if ($role_option['type'] === e_database_role_option::NOSUPERUSER) {
+        $values[] = c_database_string::NOSUPERUSER;
+      }
+      else if ($role_option['type'] === e_database_role_option::REPLICATION) {
+        $values[] = c_database_string::REPLICATION;
+      }
+      else if ($role_option['type'] === e_database_role_option::SUPERUSER) {
+        $values[] = c_database_string::SUPERUSER;
+      }
+      else if ($role_option['type'] === e_database_role_option::CONNECTION_LIMIT) {
+        $values[] = c_database_string::CONNECTION_LIMIT . ' ' . $role_option['value'];
+      }
+      else if ($role_option['type'] === e_database_role_option::PASSWORD) {
+        $values[] = c_database_string::PASSWORD . ' ' . $role_option['value'];
+      }
+      else if ($role_option['type'] === e_database_role_option::PASSWORD_ENCRYPTED) {
+        $values[] = c_database_string::PASSWORD_ENCRYPTED . ' ' . $role_option['value'];
+      }
+      else if ($role_option['type'] === e_database_role_option::VALIDUNTIL) {
+        $values[] = c_database_string::VALIDUNTIL . ' ' . $role_option['value'];
+      }
+    }
+    unset($role_option);
+
+    $value = c_database_string::WITH;
+    $value .= ' ' . implode(', ', $values);
+    unset($values);
+
+    return $value;
+  }
+}
diff --git a/common/database/traits/database_with_storage_parameter.php b/common/database/traits/database_with_storage_parameter.php
new file mode 100644
index 0000000..0af7ea4
--- /dev/null
+++ b/common/database/traits/database_with_storage_parameter.php
@@ -0,0 +1,152 @@
+<?php
+/**
+ * @file
+ * Provides traits for specific Postgesql Queries.
+ *
+ * @see: https://www.postgresql.org/docs/current/static/sql-commands.html
+ */
+namespace n_koopa;
+
+require_once('common/base/classes/base_error.php');
+require_once('common/base/classes/base_return.php');
+
+require_once('common/database/enumerations/database_index_storage_parameter.php');
+
+require_once('common/database/classes/database_string.php');
+
+/**
+ * Provide the sql WITH storage parameter functionality.
+ */
+trait t_database_with_storage_parameter {
+  protected $with_storage_parameter;
+
+  /**
+   * Set the WITH index (storage_parameter ...) settings.
+   *
+   * @param int|null $parameter
+   *   The storage parameter code to assign.
+   *   Should be one of: e_database_storage_parameter.
+   *   Set to NULL to disable.
+   * @param string|null $value
+   *   The value associated with the parameter.
+   *   This must not be NULL when $storage_parameter is not NULL.
+   *   When NULL, this is ignored.
+   *
+   * @return c_base_return_status
+   *   TRUE on success, FALSE otherwise.
+   *   FALSE with the error bit set is returned on error.
+   */
+  public function set_with_storage_parameter($parameter, $value = NULL) {
+    if (is_null($parameter)) {
+      $this->with_storage_parameter = NULL;
+      return new c_base_return_true();
+    }
+
+    switch ($parameter) {
+      case e_database_storage_parameter::AUTOSUMMARIZE:
+      case e_database_storage_parameter::BUFFERING:
+      case e_database_storage_parameter::FASTUPDATE:
+      case e_database_storage_parameter::FILLFACTOR:
+      case e_database_storage_parameter::GIN_PENDING_LIST_LIMIT:
+      case e_database_storage_parameter::PAGES_PER_RANGE:
+        break;
+      default:
+        $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'parameter', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+        return c_base_return_error::s_false($error);
+    }
+
+    if (!is_string($value)) {
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{argument_name}' => 'value', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_ARGUMENT);
+      return c_base_return_error::s_false($error);
+    }
+
+    if (!is_array($this->with_storage_parameter)) {
+      $this->with_storage_parameter = [];
+    }
+
+    $placeholder = $this->add_placeholder($value);
+    if ($placeholder->has_error()) {
+      return c_base_return_error::s_false($placeholder->get_error());
+    }
+
+    $this->with_storage_parameter[] = [
+      'type' => $parameter,
+      'value' => $placeholder,
+    ];
+    unset($placeholder);
+
+    return new c_base_return_true();
+  }
+
+  /**
+   * Get the currently assigned WITH index storage parameter at the specified index.
+   *
+   * @param int|null $index
+   *   (optional) Get the index storage parameter type at the specified index.
+   *   When NULL, all index storage parameter types are returned.
+   *
+   * @return c_base_return_array|c_base_return_null
+   *   An array containing the set index storage parameter settings on success.
+   *   NULL is returned if not set (set index storage parameter not to be used).
+   *   NULL with the error bit set is returned on error.
+   */
+  public function get_with_storage_parameter($index = NULL) {
+    if (is_null($this->with_storage_parameter)) {
+      return new c_base_return_null();
+    }
+
+    if (is_null($index)) {
+      if (is_array($this->with_storage_parameter)) {
+        return c_base_return_array::s_new($this->with_storage_parameter);
+      }
+    }
+    else {
+      if (is_int($index) && array_key_exists($index, $this->with_storage_parameter)) {
+        return c_base_return_array::s_new($this->with_storage_parameter[$index]);
+      }
+
+      $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'with_storage_parameter[index]', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+      return c_base_return_error::s_null($error);
+    }
+
+    $error = c_base_error::s_log(NULL, ['arguments' => [':{variable_name}' => 'with_storage_parameter', ':{function_name}' => __CLASS__ . '->' . __FUNCTION__]], i_base_error_messages::INVALID_VARIABLE);
+    return c_base_return_error::s_null($error);
+  }
+
+  /**
+   * Perform the common build process for this trait.
+   *
+   * As an internal trait method, the caller is expected to perform any appropriate validation.
+   *
+   * @return string|null
+   *   A string is returned on success.
+   *   NULL is returned if there is nothing to process or there is an error.
+   */
+  protected function p_do_build_with_storage_parameter() {
+    $values = [];
+    foreach ($this->with_storage_parameter as $parameter => $value) {
+      if ($parameter === e_database_storage_parameter::AUTOSUMMARIZE) {
+        $values[] = c_database_string::AUTOSUMMARIZE . ' = ' . $value;
+      }
+      else if ($parameter === e_database_storage_parameter::BUFFERING) {
+        $values[] = c_database_string::BUFFERING . ' = ' . $value;
+      }
+      else if ($parameter === e_database_storage_parameter::FASTUPDATE) {
+        $values[] = c_database_string::FASTUPDATE . ' = ' . $value;
+      }
+      else if ($parameter === e_database_storage_parameter::FILLFACTOR) {
+        $values[] = c_database_string::FILLFACTOR . ' = ' . $value;
+      }
+      else if ($parameter === e_database_storage_parameter::GIN_PENDING_LIST_LIMIT) {
+        $values[] = c_database_string::GIN_PENDING_LIST_LIMIT . ' = ' . $value;
+      }
+      else if ($parameter === e_database_storage_parameter::PAGES_PER_RANGE) {
+        $values[] = c_database_string::PAGES_PER_RANGE . ' = ' . $value ;
+      }
+    }
+    unset($parameter);
+    unset($value);
+
+    return c_database_string::WITH . ' (' . implode(', ', $values) . ')';
+  }
+}
-- 
1.8.3.1